基本解釋快動閥英漢例句雙語例句To solve the shortcoming of quick action, the application on which proportional valve-cylinder system control the positioning and cushioning is studied in this paper.針對多方位牽引床快速控制存在的問題，本文對比例閥控制油缸的緩沖與定位進行了應用研究。quick-action valve更多例句詞組短語短語quick -action angle stop valve 快速熱閥quick-action valve更多詞組專業(yè)釋義機械工程快動閥速動閥