coal-mine explosion 煤矿爆炸
advance of mine explosion 矿山爆炸的传播
Mine explosion-proof floodlight 隔爆型矿用泛光灯
mine explosion-proof 矿用防爆
mine explosion-proof motor 矿用防爆电机
Mine explosion-proof equipment 矿用防爆设备
mine explosion-proof electromagnetic starter 矿用隔爆电磁启动器
mine gas explosion 矿井瓦斯爆炸
51 miners have survived the coal mine explosion that left 8 dead in Yichuan County of Henan Wednesday.
截至目前,河南伊川"3·31"矿难已有8人遇难,另有51名矿工获救。
Our main products: 110KV , 63000KVA and below Power transformer, mine explosion-proof mobile substation, dry-type transformer and so on.
主要生产电压为110KV及以下,容量为63000KVA及以下电力变压器、矿用隔爆型移动变电站、干式变压器等。
The paper thoroughly introduces the ac-ac frequency converter in driving system of asynchronous motor for underground coal mine explosion-proof winder.
本文对一种用于煤矿井下防爆绞车驱动的交交变频器——鼠笼式异步电机传动系统做了全面的介绍。
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