duplex double action pump 双缸双作用泵
double action vane pump 双作用滑片泵 ; 双作用叶片泵 ; 双效用滑片泵
Double action reciprocating pump 双作用往复泵 ; 双作用活塞式往复泵
double action vane pump coupling 双作用滑片泵联轴器
Double action reciprocation pump 双作用往复泵
double action rod pump 双作用抽油泵
double action impeller pump 双作用叶片泵
double action oil well pump 双作用抽油泵
A new double action oil well pump, which has been progressed field experiment, is discussed on its structure, principle and characteristics here.
对一种新型双作用抽油泵的结构、工作原理、技术特点进行了研制并进行了现场试验。
This paper presented the working principle and structure of the double-action vane pump, analyzed its mechanism of variable displacement and characteristics of energy saving.
本文介绍了双作用叶片式二次元件的结构和工作原理,分析了其节能原理和特点。
The double acting reciprocating mud pump one time every two suction drainage action.
而双作用式泥浆泵每往复一次完成两次吸排水行动。
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