基本解释[機械工程]立式流程泵英汉例句雙語例句And the self-priming process of vertical multiple self-priming pump is analyzed.分析了立式多級自吸泵的自吸過程;vertical process pump更多例句词组短语短語vertical process pump coupling 立式流程泵聯軸器vertical process pump更多词组专业释义機械工程立式流程泵