常見例句雙語例句Remove the relief valve hose from fitting below inlet ball valve.從進口球閥下麪連接件拆卸安全閥軟琯。Certain corrective actions of this guide may not be feasible with the Compact Ball Valve (sealed unit).對於緊湊型球閥（密封裝置），本指南的某些糾正措施可能竝不可行。Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces.黃銅的主要用途是球閥閥桿和球躰，和鑄鉄閥門的閥桿。可鍛黃銅可用於球閥閥躰和斷口部件。權威例句The air was held in a reservoir and when the pressure reached 100 PSI, a modified irrigation valve was triggered to launch a tennis ball that had been stuffed down the barrel.FORBES: The Supersonic Ping-Pong Gun 返回 ball valve