燃气阀是一种新型的燃气管道工程的安全配套装置；用于截断、接通、调节管路中的气体，具有良好的控制特性和关闭密封性能；适用于城市煤气、液化石油气、天然气、氧气等多种燃气介质管路上。
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.
电动节流阀用于常压燃烧系统的火焰控制，应用于燃气和空气阀门同步电动调节或固定空气控制场合。
Motorized Throttling valves are used to control flames in atmospheric burner systems, in applications where both air and gas valves are motorized or in applications working 'air constant'.
其他熟悉的例子包括对灶具燃气控制，小阀门安装在洗衣机和洗碗机，安全装置安装在热水系统，在汽车和发动机排气阀。
Other familiar examples include gas control valves on cookers, small valves fitted to washing machines and dishwashers, safety devices fitted to hot water systems, and valves in car engines.
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