...ns)；无线射频识别(rfid)；矿井井下安全；食品运输安全；公园游人安全 [gap=687]keywords: wsns;rfid;underground miners safey;food safety;visitor safety ...
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对于受水害威胁的矿井，防水闸墙是井下防水的主要安全设施。
The water proof gate is the main safety facility against underground water to the coal mine threatened by water disaster.
井下爆炸材料库是矿井安全生产的重要保障设施之一。
The underground blasting supplies magazine is one of the important facilities, to ensure the safety production of underground mine.
煤矿井下煤尘含量高，对工人的身体健康和安全生产构成的危害大。
The content of coal dust is high below the coal mine, and it is great harmful to the health of worker body and security of production.
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