基本解釋[物理學]前級真空泵英漢例句雙語例句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.它可以單獨使用， 管道泵也可作為增壓泵、擴散泵、分子泵的前級泵使用。backing vacuum pump更多例句詞組短語短語vacuum backing pump 真空旋轉(zhuǎn)泵backing vacuum pump更多詞組專業(yè)釋義物理學前級真空泵