例句 /

It is very important to reduce the vibration of the vacuum pump for keeping its quality and lengthening its service life.

It is very important to reduce the vibration of the vacuum pump for keeping its quality and lengthening its service life.

摘要降低滑阀式真空泵的振动对提高泵的质量、延长泵的寿命有着重要的意义。