常見例句雙語例句This Model Vacuum Pump can be used along, or as the backing pump of the other kinds of pumps, such as booster pump, diffusion pump, molecular pump etc.它可以單獨(dú)使用, 管道泵也可作為增壓泵、擴(kuò)散泵、分子泵的前級泵使用。 返回 backing pump