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在煤矿井下回风流中的机电硐室安装了瓦斯自动检测报警断电装置,满足了《煤矿安全规程》第138条规定,保证了供电的安全可靠。
In the coal mine return air flow in the mechanical and electrical chamber gas automatic detection alarm power off device to meet the “Coal Mine Safety Code” Article 138 provides that the power supply is safe and reliable.