... screw impeller pump 螺旋叶轮泵 screw-type rotary pump 螺旋式转子泵 self-priming pump 自吸泵 ...
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... 活塞式回转泵 piston type rotary pump; piston-type rctary pump 螺旋式回转泵 screw-type rotary pump 内齿轮回转泵 internal gear rotary pump ...
screw-type rotary pump
螺杆式旋转泵
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The most common rotary-pump designs used today are spur-gear, generated-rotary, sliding-vane, and screw pump, each type has advantages that make it the most suitable for a given application.
今天最常用的旋转泵是外齿轮泵、内齿轮泵、摆线转子泵、滑动叶片泵和螺旋泵。每种类型的泵都有优点，适合于特定场合的应用。
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