当被输送介质的粘度大于100厘泊时，可选用容积式旋转活塞泵。
When the viscosity of the medium being transferred is higher than 100cp, volumetric rotating piston pumps can be used.
循环泵将曲轴旋转运动转化为柱塞的直线运动。泵速转每分钟决定了任何气缸和活塞组合的排泵量。
Reciprocating pumps convert rotary motion to linear motion. Pump speed in RPM determines the pumps output volume for any given combination of cylinder bore and piston stroke.
要生产泵动作用，它包括往复运动的活塞或旋转叶片。
To produce the pumping action, it contains pistons that are driven back and forth, or rotating vanes.
该泵使用一个共同的驱动机构以使活塞轴向旋转且沿侧向往复运动以连续地泵送流体，同时减少脉动。
The pump utilizes one common driving mechanism to axially rotate and laterally reciprocate the piston to provide continuous pumping of fluids with reduced pulsations.
旋转活塞式灌装机适合容积灌装泵输送的物料。
ZB rotary piston fillers are suitable to fill volumetrically all pumpable products.
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。
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。
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.
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