double-check valve
英
美
- 双止回阀
双语例句
- DOUBLE CHECK VALVE ASSEMBLY For Low Hazard Cross-connections and continuous pressure applications.
双止回阀总成用于低危险交叉连接和持续压力应用场合。 - A Double Check Detector Assembly shall be installed on fire protection systems when connected to a potable water supply.
当消防系统连接到饮用水供应系统时,应该安装一个双止回阀总成。
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