点击图片查看原图
| 品名 | 型号 | 口径(mm) | 扬程(m) | 吸程(m) | 流量(m3/h) | 动力型号 | 启动方式 | 油箱容积(L) |
| 汽油机水泵 | GQY2C | 50 | 32 | 8 | 30 | 170F | 手动 | 3.5L |
| 汽油机水泵 | GQY3C | 80 | 32 | 8 | 60 | 168F | 手动 | 3.5L |
汽油机水泵是一种离心泵。离心泵的工作原理是在泵内充满水的情况下，发动机带动叶轮旋转，从而产生离心力，叶轮槽道中的水在离心力的作用下甩向外围流进泵壳，于是叶轮压力降低，这个压力低于进水管内压力，水在这个压力差的作用下由吸水池流入叶轮。这样水泵可以不断地吸水不断地供水了。主要用途：农业排灌，工业排水等装置。
汽油机比柴油机轻巧，制造成本低，噪声较小，低温起动性较好，但热效率较低且燃料消耗率大。
汽油机是用汽油作燃料的一种电火花点火式内燃发动机。汽油机一般采用往复活塞式结构，由本体、曲柄连杆机构、配气系统、供油系统、润滑系统和点火系统等部分组成。
小型汽油机一般系统组成：
（1）曲轴连杆系统：包括活塞、连杆、曲轴、滚针轴承、油封等。
（2）机体系统：包括缸盖、缸体、曲轴箱、消声器、防护罩等。
（3）燃油系统：包括油箱、开关、滤网、沉淀杯和化油器等。
（4）冷却系统：包括冷却风扇、引风罩等。有些背负式喷雾喷粉机在大风机后蜗壳上开冷却口，由引风罩引出冷却气流，需要单独的冷却叶轮。
（5）润滑系统：二冲程汽油机采用汽油与润滑油组合的混合油润滑与供油系统合用。四冲程汽油机润滑与供油分开，曲轴箱配有润滑油油面尺。
（6）配气系统：四冲程汽油机由进、排气门，摇臂，推杆，挺杆及凸轮轴等组成。二冲程汽油机没有进、排气门，而是在汽缸体上开有进气口、出气口和换气口，利用活塞上下运动来开启或关闭各气孔。
（7）启动系统：有两种结构，一种是由启动绳和简单启动轮组成；另一种是回弹式启动结构，带有弹簧结合齿和防护罩等。
（8）点火系统：包括磁电机、高压线、火花塞等。其中磁电机有两种：有触点式带跳火架结构和无触点式电子点火线路。
木箱、泡沫或纸箱包装，因本泵属于重物只能发物流（需到物流站自提），其它疑问请联系我们。
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... little
betrothed, and anxiety that Agnes should like her. All the way to
Putney, Agnes being inside the stage-coach, and I outside, I
pictured Dora to myself in every one of the pretty looks I knew so
well; now making up my mind that I should like her to look exactly
as she looked at such a time, and then doubting whether I should
not prefer her looking as she looked at such another time; and
almost worrying myself into a fever about it.
I was troubled by no doubt of her being very pretty, in any case;
but it fell out that I had never seen her look so well. She was not in
the drawing-room when I presented Agnes to her little aunts, but
was shyly keeping out of the way. I knew where to look for her,
now; and sure enough I found her stopping her ears again, behind
the same dull old door.
At first she wouldn’t come at all; and then she pleaded for five
minutes by my watch. When at length she put her arm through
mine, to be taken to the drawing-room, her charming little face
was flushed, and had never been so pretty. But, when we went
into the room, and it turned pale, she was ten thousand times
prettier yet.
Dora was afraid of Agnes. She had told me that she knew Agnes
was ‘too clever’. But when she saw her looking at once so cheerful
and so earnest, and so thoughtful, and so good, she gave a faint
little cry of pleased surprise, and just put her affectionate arms
Charles Dickens ElecBook Classics
David Copperfield
round Agnes’s neck, and laid her innocent cheek against her face.
I never was so happy. I never was so pleased as when I saw
those two sit down together, side by side. As when I saw my little
darling looking up so naturally to those cordial eyes. As when I
saw the tender, beautiful regard which Agnes cast upon her.
Miss Lavinia and Miss Clarissa partook, in their way, of my joy.
It was the pleasantest tea-table in the world. Miss Clarissa
presided. I cut and handed the sweet seed-cake―the little sisters
had a bird-like fondness for picking up seeds and pecking at sugar;
Miss Lavinia looked on with benignant patronage, as if our happy
love were all her work; and we were perfectly contented with
ourselves and one another.
The gentle cheerfulness of Agnes went to all their hearts. Her
quiet interest in everything that interested Dora; her manner of
making acquaintance with Jip (who responded instantly); her
pleasant way, when Dora was ashamed to come over to her usual
seat by me; her modest grace and ease, eliciting a crowd of
blushing little marks of confidence from Dora; seemed to make
our circle quite complete.
‘I am so glad,’ said Dora, after tea, ‘that you like me. I didn’t
think you would; and I want, more than ever, to be liked, now
Julia Mills is gone.’
I have omitted to mention it, by the by. Miss Mills had sailed,
and Dora and I had gone aboard a great East Indiaman at
Gravesend to see her; and we had had preserved ginger, and
guava, and other delicacies of that sort for lunch; and we had left
Miss Mills weeping on a camp-stool on the quarter-deck, with a
large new diary under her arm, in which the original reflections
awakened by the contemplation of Ocean were to be recorded
Charles Dickens ElecBook Classics
David Copperfield
under lock and key.
Agnes said she was afraid I must have given her an
unpromising character; but Dora corrected that directly.
‘Oh no!’ she said, shaking her curls at me; ‘it was all praise. He
thinks so much of your opinion, that I was quite afraid of it.’
‘My good opinion cannot strengthen his attachment to some
people whom he knows,’ said Agnes, with a smile; ‘it is not worth
their having.’
‘But please let me have it,’ said Dora, in her coaxing way, ‘if you
can!’
We made merry about Dora’s wanting to be liked, and Dora
said I was a goose, and she didn’t like me at any rate, and the short
evening flew away on gossamer-wings. The time was at hand
when the coach was to call for us. I was standing alone before the
fire, when Dora came stealing softly in, to give me that usual
precious little kiss before I went.
‘Don’t you think, if I had had her for a friend a long time ago,
Doady,’ said Dora, her bright eyes shining very brightly, and her
little right hand idly busying itself with one of the buttons of my
coat, ‘I might have been more clever perhap...于是，这些律师、顾问们成了‘花拳绣腿式’的装饰汽油机泵 汽油机水泵 小型汽油水泵价格 汉 ”
这种做法在犹太人看来难以理解，花很多钱带他们出国，是要听他们的建议嘛，为什么终却把他们的意见弃置一边呢？
犹太人的管理理念是追逐商业价值汽油机泵 汽油机水泵 小型汽油水泵价格 汉他们在投资时尤其是合资时会像人那样去争夺谁当总经理或谁当董事长的职位，他们往往聘请职业经理人，将商业价值理性化而不是陷入权力的争夺。
而作为老板的他们，一般只会过问交易价格及这笔生意是做还是不做，其他的具体问题统统交由律师、会计师、顾问等来处理，很少过问具体细节。
危机意识：犹太企业的竞争力
几来，犹太民族一直是富有的民族，而帮助他们达成这一目标的竞争力在于：犹太人一年365天都处在高度警觉和奋进的状态。
由于历史原因，犹太人有不断的危机感，这使得他们掌握了许多方式来抵御。
典型的是：犹太人在从事商业伊始会有目标地去建立一个“商业帝国”。“犹太人对‘商业帝国’管理架构的铺设是无以伦比的，这种架构能使其抵来自于政治、经济、法律甚至自然灾害的种种，被戏称为‘8级地震’的管理模式。”辜勤华评价说。
“在公司结构治理方面发挥特长是犹太人的看家本领，他们通常把企业作为通盘考虑，像一盘棋，有帅、有车马炮、有卒子，各代表不同的功能，在不同情境下这些功能有不同的行事方式，这样才能避险，才能立于不败之地。”
举例来说，早在避税岛国进行公司注册便是犹太人的发明，同时，由于避税岛国可以申请豁免申报的股东，从而起到了很好地保护商业隐私的作用。
当然，犹太人会选择多国多地进行注册，涉及几乎所有行业，有效地进行各类资产、资源的整合。
经济大省何以成为能源节约大省
2005年广东省全省生产总值、城乡居民储蓄存款余额双双突破2万亿元，分别21701.28亿元、20267.76亿元，比上年分别增长12.5%和15.0%。两个数字都是。
广东向来发达，这两个数字也并不让人惊讶，但富庶、发达的广东同时也是能源节约大省，却出乎意料。
刚刚公布的统计局数据显示，2005年广东单位GDP能耗为平均水平的64.75%、单位工业增加值能耗为平均水平的41.6%，两个数据都是低。
那么，广东是如何以耗水平，实现经济的增长的？有何经验可以借鉴？随着产业结构的升级，广东已经开始布局耗能较大的重化工业，如何解决能源需求增长中进一步降低单位GDP能耗的问题？
为此，本报约请了发改委能源研究所副所长韩文科、社会院工业经济所魏后凯研究员、广东省委党校余甫功教授、深圳能源集团有限公司经济师余化良共同探讨这些问题。
1.经济大省为何是节约大省
《21世纪》：我们看到GDP总量越大的省份，单位GDP能耗一般越低，广东是经济大省，也是能耗效率低的省份，这是什么原因？
余化良：规模经济越大，单位GDP能耗越低。发展越是前，产业的集聚、集群效应表现更明显，比如广东一些行业的配套能力现在已经了70%。
魏后凯：广东的工业内部结构中有高耗能工业、中等耗能工业和低耗能工业三种类型。1995年，广东的高耗能产业占7.5%，2003年到8.6%。
根据测算，每万元GDP增加值的能耗，石油加工要消耗6.8吨标准煤，有色金属是5.9吨标准煤，而广东省的一些产业，如食品只有1.29吨标准煤，通讯设备为0.96吨标准煤，服装为0.44吨标准煤，电气机械是0.44吨标准煤等，由此可见高耗能工业与低耗能工业相差十几倍，所以工业内部结构对于耗能来说是很重要的。
而且按照行业测算，广东的纺织工业、IT产业的耗能比别的地区的更低一点。
韩文科：广东省的经济结构、产业结构、产品结构，优化程度都比较好。
第二，广东的能源结构也不错，比如说广东有核电，广东的石油使用量比别的省要高，煤的比例小。
还有是开放程度高，一些行业的技术水平要比内地好一些。
余甫功：某一地区的单位GDP能耗除了与经济发展水平有关以外，还与该地区的资源禀赋、发展模式和产业结构有密切关系。
广东GDP总量是大，单位GDP能耗低，与广东通过加大产业结构调整步伐，大力发展节能、降耗、减污、增效的高新技术产业和先进制造业有关。
如广东的能源消费结构中，工业耗能占能源消费总量的比例约65%。其中，电气机械及器材制造业、电子及通信设备制造业和仪器仪表，文化、办公用机械制造业占工业总产值的一半，而所消耗的能源占整个工业能耗的比例却不到10%。
《21世纪》：广东第三产业去年税收达2248.83亿元,过工农业,占全省税收比重为53.5%。第三产业的发展对单位GDP能耗影响有多大？
余甫功：近年来，广东第三产业发展明显加快，“”期间，服务业增加值年均增长速度将高于全省生产总值增长速度。
第三产业发展在一定程度反映着一个地区经济发展水平，发达地区通常第三产业比重高，现代服务业发达。欧美发达，第三产业的比重都在70%以上，如2001年美国服务业增加值占GDP的比重为75%。
第三产业的单位增加值能耗一般远远低于工业的单位增加值能耗。2005年，广东第三产业比重44%，高新技术产业和第三产业的单位增加值能耗还不到全省单位GDP能耗的一半。
《21世纪》：广东能源自给率低，是否也是导致单位GDP能耗低的重要原因？
余化良：广东综合能源的压力，导致广东一直在考虑如何降耗。
近，广东从澳大利亚引进了液化天然气(LNG)项目，这也会对能耗降低有正面的影响。但是
betrothed, and anxiety that Agnes should like her. All the way to
Putney, Agnes being inside the stage-coach, and I outside, I
pictured Dora to myself in every one of the pretty looks I knew so
well; now making up my mind that I should like her to look exactly
as she looked at such a time, and then doubting whether I should
not prefer her looking as she looked at such another time; and
almost worrying myself into a fever about it.
I was troubled by no doubt of her being very pretty, in any case;
but it fell out that I had never seen her look so well. She was not in
the drawing-room when I presented Agnes to her little aunts, but
was shyly keeping out of the way. I knew where to look for her,
now; and sure enough I found her stopping her ears again, behind
the same dull old door.
At first she wouldn’t come at all; and then she pleaded for five
minutes by my watch. When at length she put her arm through
mine, to be taken to the drawing-room, her charming little face
was flushed, and had never been so pretty. But, when we went
into the room, and it turned pale, she was ten thousand times
prettier yet.
Dora was afraid of Agnes. She had told me that she knew Agnes
was ‘too clever’. But when she saw her looking at once so cheerful
and so earnest, and so thoughtful, and so good, she gave a faint
little cry of pleased surprise, and just put her affectionate arms
Charles Dickens ElecBook Classics
David Copperfield
round Agnes’s neck, and laid her innocent cheek against her face.
I never was so happy. I never was so pleased as when I saw
those two sit down together, side by side. As when I saw my little
darling looking up so naturally to those cordial eyes. As when I
saw the tender, beautiful regard which Agnes cast upon her.
Miss Lavinia and Miss Clarissa partook, in their way, of my joy.
It was the pleasantest tea-table in the world. Miss Clarissa
presided. I cut and handed the sweet seed-cake―the little sisters
had a bird-like fondness for picking up seeds and pecking at sugar;
Miss Lavinia looked on with benignant patronage, as if our happy
love were all her work; and we were perfectly contented with
ourselves and one another.
The gentle cheerfulness of Agnes went to all their hearts. Her
quiet interest in everything that interested Dora; her manner of
making acquaintance with Jip (who responded instantly); her
pleasant way, when Dora was ashamed to come over to her usual
seat by me; her modest grace and ease, eliciting a crowd of
blushing little marks of confidence from Dora; seemed to make
our circle quite complete.
‘I am so glad,’ said Dora, after tea, ‘that you like me. I didn’t
think you would; and I want, more than ever, to be liked, now
Julia Mills is gone.’
I have omitted to mention it, by the by. Miss Mills had sailed,
and Dora and I had gone aboard a great East Indiaman at
Gravesend to see her; and we had had preserved ginger, and
guava, and other delicacies of that sort for lunch; and we had left
Miss Mills weeping on a camp-stool on the quarter-deck, with a
large new diary under her arm, in which the original reflections
awakened by the contemplation of Ocean were to be recorded
Charles Dickens ElecBook Classics
David Copperfield
under lock and key.
Agnes said she was afraid I must have given her an
unpromising character; but Dora corrected that directly.
‘Oh no!’ she said, shaking her curls at me; ‘it was all praise. He
thinks so much of your opinion, that I was quite afraid of it.’
‘My good opinion cannot strengthen his attachment to some
people whom he knows,’ said Agnes, with a smile; ‘it is not worth
their having.’
‘But please let me have it,’ said Dora, in her coaxing way, ‘if you
can!’
We made merry about Dora’s wanting to be liked, and Dora
said I was a goose, and she didn’t like me at any rate, and the short
evening flew away on gossamer-wings. The time was at hand
when the coach was to call for us. I was standing alone before the
fire, when Dora came stealing softly in, to give me that usual
precious little kiss before I went.
‘Don’t you think, if I had had her for a friend a long time ago,
Doady,’ said Dora, her bright eyes shining very brightly, and her
little right hand idly busying itself with one of the buttons of my
coat, ‘I might have been more clever perhap...于是，这些律师、顾问们成了‘花拳绣腿式’的装饰汽油机泵 汽油机水泵 小型汽油水泵价格 汉 ”
这种做法在犹太人看来难以理解，花很多钱带他们出国，是要听他们的建议嘛，为什么终却把他们的意见弃置一边呢？
犹太人的管理理念是追逐商业价值汽油机泵 汽油机水泵 小型汽油水泵价格 汉他们在投资时尤其是合资时会像人那样去争夺谁当总经理或谁当董事长的职位，他们往往聘请职业经理人，将商业价值理性化而不是陷入权力的争夺。
而作为老板的他们，一般只会过问交易价格及这笔生意是做还是不做，其他的具体问题统统交由律师、会计师、顾问等来处理，很少过问具体细节。
危机意识：犹太企业的竞争力
几来，犹太民族一直是富有的民族，而帮助他们达成这一目标的竞争力在于：犹太人一年365天都处在高度警觉和奋进的状态。
由于历史原因，犹太人有不断的危机感，这使得他们掌握了许多方式来抵御。
典型的是：犹太人在从事商业伊始会有目标地去建立一个“商业帝国”。“犹太人对‘商业帝国’管理架构的铺设是无以伦比的，这种架构能使其抵来自于政治、经济、法律甚至自然灾害的种种，被戏称为‘8级地震’的管理模式。”辜勤华评价说。
“在公司结构治理方面发挥特长是犹太人的看家本领，他们通常把企业作为通盘考虑，像一盘棋，有帅、有车马炮、有卒子，各代表不同的功能，在不同情境下这些功能有不同的行事方式，这样才能避险，才能立于不败之地。”
举例来说，早在避税岛国进行公司注册便是犹太人的发明，同时，由于避税岛国可以申请豁免申报的股东，从而起到了很好地保护商业隐私的作用。
当然，犹太人会选择多国多地进行注册，涉及几乎所有行业，有效地进行各类资产、资源的整合。
经济大省何以成为能源节约大省
2005年广东省全省生产总值、城乡居民储蓄存款余额双双突破2万亿元，分别21701.28亿元、20267.76亿元，比上年分别增长12.5%和15.0%。两个数字都是。
广东向来发达，这两个数字也并不让人惊讶，但富庶、发达的广东同时也是能源节约大省，却出乎意料。
刚刚公布的统计局数据显示，2005年广东单位GDP能耗为平均水平的64.75%、单位工业增加值能耗为平均水平的41.6%，两个数据都是低。
那么，广东是如何以耗水平，实现经济的增长的？有何经验可以借鉴？随着产业结构的升级，广东已经开始布局耗能较大的重化工业，如何解决能源需求增长中进一步降低单位GDP能耗的问题？
为此，本报约请了发改委能源研究所副所长韩文科、社会院工业经济所魏后凯研究员、广东省委党校余甫功教授、深圳能源集团有限公司经济师余化良共同探讨这些问题。
1.经济大省为何是节约大省
《21世纪》：我们看到GDP总量越大的省份，单位GDP能耗一般越低，广东是经济大省，也是能耗效率低的省份，这是什么原因？
余化良：规模经济越大，单位GDP能耗越低。发展越是前，产业的集聚、集群效应表现更明显，比如广东一些行业的配套能力现在已经了70%。
魏后凯：广东的工业内部结构中有高耗能工业、中等耗能工业和低耗能工业三种类型。1995年，广东的高耗能产业占7.5%，2003年到8.6%。
根据测算，每万元GDP增加值的能耗，石油加工要消耗6.8吨标准煤，有色金属是5.9吨标准煤，而广东省的一些产业，如食品只有1.29吨标准煤，通讯设备为0.96吨标准煤，服装为0.44吨标准煤，电气机械是0.44吨标准煤等，由此可见高耗能工业与低耗能工业相差十几倍，所以工业内部结构对于耗能来说是很重要的。
而且按照行业测算，广东的纺织工业、IT产业的耗能比别的地区的更低一点。
韩文科：广东省的经济结构、产业结构、产品结构，优化程度都比较好。
第二，广东的能源结构也不错，比如说广东有核电，广东的石油使用量比别的省要高，煤的比例小。
还有是开放程度高，一些行业的技术水平要比内地好一些。
余甫功：某一地区的单位GDP能耗除了与经济发展水平有关以外，还与该地区的资源禀赋、发展模式和产业结构有密切关系。
广东GDP总量是大，单位GDP能耗低，与广东通过加大产业结构调整步伐，大力发展节能、降耗、减污、增效的高新技术产业和先进制造业有关。
如广东的能源消费结构中，工业耗能占能源消费总量的比例约65%。其中，电气机械及器材制造业、电子及通信设备制造业和仪器仪表，文化、办公用机械制造业占工业总产值的一半，而所消耗的能源占整个工业能耗的比例却不到10%。
《21世纪》：广东第三产业去年税收达2248.83亿元,过工农业,占全省税收比重为53.5%。第三产业的发展对单位GDP能耗影响有多大？
余甫功：近年来，广东第三产业发展明显加快，“”期间，服务业增加值年均增长速度将高于全省生产总值增长速度。
第三产业发展在一定程度反映着一个地区经济发展水平，发达地区通常第三产业比重高，现代服务业发达。欧美发达，第三产业的比重都在70%以上，如2001年美国服务业增加值占GDP的比重为75%。
第三产业的单位增加值能耗一般远远低于工业的单位增加值能耗。2005年，广东第三产业比重44%，高新技术产业和第三产业的单位增加值能耗还不到全省单位GDP能耗的一半。
《21世纪》：广东能源自给率低，是否也是导致单位GDP能耗低的重要原因？
余化良：广东综合能源的压力，导致广东一直在考虑如何降耗。
近，广东从澳大利亚引进了液化天然气(LNG)项目，这也会对能耗降低有正面的影响。但是
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