piston vacuum pump [真空] 往复真空泵
rotary piston vacuum pump [真空] 定片真空泵 ; 滑阀真空泵 ; 回转式柱塞真空泵
Model W Piston Vacuum Pump 式真空泵
Piston Vacuum Pump for Liquids 隔膜式液用帮浦
The series of F80 Oil free Piston Vacuum Pump, characterized as compact appearance, low noise, durability and maintenance free, has passed the ISO-9001 Quality System Authentication.
F80系列无油活塞式真空泵，具有体积小、重量轻、噪声低、免维护、高寿命的优点，产品通过ISO - 9001质量体系认证。
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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