基本解釋高級真空泵英漢例句雙語例句The vacuum low-pressure casting was used to found water pump copper impeller.采用金屬模和特制的真空低壓鑄造裝置鑄造水泵銅葉輪。low-pressure vacuum pump更多例句專業(yè)釋義經(jīng)濟學(xué)高真空泵交通運輸工程高真空泵