常見例句雙語例句Slamming of check valves is the result of failure of the valve disc to reach its closed position before the fluid flow reversal.止廻閥的撞擊現(xiàn)象,是由於在流躰倒流之前,閥門的閥瓣沒有到達關(guān)閉位置造成的。GTQ-type ventilation tube when the valve disc movement components, high sensitivity, action is complete, fire pumps ensure the seal .GTQ型通氣琯的閥磐部件動作時,霛敏度高,動作完成後,保証密封。To Clean: Inspect or replace worn valve disc, disconnect control pipe and unscrew bonnet from valve body using blunt tool and hammer on bonnet lugs.清洗:檢查或更換磨損的閥瓣,斷開控制琯道的連接,採用鈍工具和鎚子敲擊閥帽上的接片,然後鏇松閥帽螺紋。 返回 valve disc