In case of lighting failure, flameout and gas using up etc, the mechanism turns off the gas valve in 0.5s automatically with light and sound alarm, safe and reliable.
在点火不成功、意外熄火。燃气用完等情况下，能在0.5秒内自动关闭气阀，并发出声光警告，安全可靠。
Ok . I have seen the light of alarm roating light and heard the sound of the alarm horn .
对。我已经看到报警旋转灯的灯光、听到报警喇叭的声音。
The apparatus is a high performance-price ratio, which has been widely used in various industries in the production process parameters ceiling more sound and light alarm.
是一高性价比的仪器，它已广泛应用于各行业生产过程工艺参数越限时的声光报警。
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