燃气阀门
- 网络gas valve
燃气阀门
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燃气阀门井防漏技术研究
Study on Gas Valve Pit Leakage - Proof
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平时要教会能担负起责任的家庭成员如何关闭燃气阀门、电闸以及水阀。
Teach responsible members of your family how to turn off the gas , electricity , and water at valves and main switches .
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在地中海海岸的塞得港,控制着来自主终端的燃气输送的阀门已关闭以降低火势,而住在附近的居民被迫离开自己的家。
The valves controlling the flow of gas from the main terminal in Port Said , on the Mediterranean coast , were shut down to dampen the flames and people living nearby were forced to leave their homes .