基本解釋[機械工程]氣門延遲關(guān)閉詞組短語短語late closing of exhaust valve 排氣門晚關(guān)late closing of inlet valve 進(jìn)氣門晚關(guān)late closing of valve更多詞組專業(yè)釋義機械工程氣門延遲關(guān)閉