真空泵维护包真空泵油。
确保泵油足够的油，并且所有驱动部件都紧固。
Ensure that the pump has adequate oil and that all drive components are tight.
泵油速率是多少？
旋片式真空泵油。
齿轮泵主动轴与衬套磨损后，其配合间隙增大，必将影响泵油量。
Pump drive shaft and bushing wear, the tolerance clearance increases, will affect oil pump.
齿轮泵主动轴与衬套磨损后，其配合间隙增大，必将影响泵油量。
Pump drive shaft and bushing wear, the tolerance clearance increases, will affect oil pump.
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