... 动力通风 power ventilation 机械通风 power ventilation 动力通风系统 power ventilation system ...
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power distributed ventilation system 动力分布式通风系统
Investigators say gas accumulated during a power outage that shut down the mine's ventilation system.
调查人员说，由于断电，矿井内的通风设备停止运行，矿井内瓦斯积聚。
Police say a power cut is compromising the ventilation system in the Pike River Coal Pit in a remote part of the country's South Island.
警方说，停电影响了该国南岛偏远地区的派克河煤矿矿井的通风系统。
Power company officials say a ventilation system has lowered radiation levels in the reactor building damaged in March by a massive earthquake and tsunami.
东京电力公司的官员表示，一座通风系统已经降低了反应堆建筑内的核辐射水平。这栋建筑今年三月被大规模的地震和海啸所损毁。
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