In the case of flame failure, the control box activates a "safety shut down" within two seconds of the opening of the gas valves are immediately re-closed.
如果点火失败，程控器指令“安全闭锁”二秒钟内打开的气阀马上关闭。
In the case of flame failure, the control box activates a "safety shut down" within two seconds of the opening of the gas valves are immediately re-closed.
如果点火失败，程控器指令“安全闭锁”二秒钟内打开的气阀马上关闭。
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