extraction pump

基本解釋

The water in the hot-well is pumped by the condensate extraction pump through the low pressure feed-heating system to another pump, the boiler feed pump.
在熱井中的水在凝結(jié)水泵的作用下通過低壓給水加熱系統(tǒng)到達(dá)另一個泵，鍋爐給水泵。
mengang2008.blog.163.com
The treatment equipment comprises a waste oil tank, an extraction pump, an oil filter, an impurity separator, a pressuring pump and a ceramic film filter;
處理設(shè) 備包括廢油槽、提取泵、機(jī)油過濾器、雜質(zhì)分離器、加壓泵和陶瓷膜過濾器；
ip.com
Unloading method of injecting nitrogen to tank car to raise pressure and liquid extraction with centrifugal pump simultaneously is often used to unload butadiene tank car.
丁二烯罐車卸車多采用氮氣注入罐車加壓，同時用離心泵抽液的卸車方法。

Higher prices at the pump have also made extraction from oil sands and heavy oil feasible.
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