基本解釋[經(jīng)濟學]燃料油泵[機械工程]常用燃油泵詞組短語短語fuel oil daily service pump 日用油泵auxiliary fuel oil service pump 輔日用燃油泵daily service fuel oil pump 日用燃油泵fuel oil service pump更多詞組專業(yè)釋義經(jīng)濟學燃料油泵機械工程常用燃油泵