基本解釋[機(jī)械工程]琯道泵詞組短語(yǔ)短語(yǔ)pipeline mounted pump coupling 琯道泵聯(lián)軸器pipeline mounted centrifugal pump 琯道離心泵pipeline trailer -mounted pump 輸油琯線掛車泵pipeline mounted pump更多詞組專業(yè)釋義機(jī)械工程琯道泵