基本解釋[經濟學]變速泵英漢例句雙語例句Finally, the optimization result of water source heat pump set under the variant working conditions can be received.最終獲得水源熱泵機組的變工況優(yōu)化設計結果。variant pump更多例句詞組短語短語variant t pump 變速泵speed -variable pump variant pump 變速泵variant pump更多詞組專業(yè)釋義經濟學變速泵