The metro flood gate system is a disaster prevention equipment.
地铁防淹门系统是一种防灾设备。
Remove or stop the operation of the occupational-disease-prevention equipment or first aid facilities;
擅自拆掉、停止使用职业病防护设备或者应急救援设施的;
The result showed that the densities were different between the units with qualified rodent prevention equipment and those with non-qualified one ( P <0.01).
结果:防鼠设施完全合格的单位与内部重点房间,密度远低于防鼠设施不合格者(P <0 .0 1)。
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