基本解釋[交通運(yùn)輸工程]外嚙合凸輪轉(zhuǎn)子泵詞組短語短語Rotary abutment pump 轉(zhuǎn)子泵;旋轉(zhuǎn)隔板泵abutment pump更多詞組專業(yè)釋義交通運(yùn)輸工程外嚙合凸輪轉(zhuǎn)子泵