... piston type regulating valve 活塞式调节阀 piston type rotary pump 活塞式回转泵 piston type sensor 活塞式传感器 ...
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rotary piston libe type pump 罗茨泵 ; 凸轮泵 ; 罗茨泵凸轮泵 ; 凸轮
rotary piston lobe type pump 罗茨泵 ; 凸轮泵
rotary piston lifeel type pump 罗茨泵
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Rotary piston pump is a volume type vacuum pump and is applied widely, but there has been no method for exactly calculating dynamic balance of rotary piston up to the present.
滑阀真空泵是一种容积式真空泵，在各工业领域广泛应用。但该泵的旋转活塞平衡长期以来无精确计算方法。
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