rotary plunger vacuum pump的意思|示意

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旋转柱塞真空泵

滑阀真空泵 ... hand plunger paint pump 手动柱塞式徐料泵 Plunger for Oil Pump 高位油泵柱塞 rotary plunger vacuum pump 滑阀真空泵 ...

滑阀式真空泵 ... rotary plunger vacuum pump 滑阀真空泵 ; 滑阀真空泵 ; 滑阀式真空泵 hand plunger grease pump 手动杠杆式上油泵 plunger metering pump coupling 柱塞计量泵联轴器 ...