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Explosives and Explosive Ordnance Disposal
containing
区分
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all forms
Chinese
English
分区回风巷
为几个采区服务的回风巷道
district return airway
分区域开拓
大型井田划分为若干具有独立通风系统的开采区域,并共用主井的开拓方式
area development
分区爆破
partitioned blast
分布区
distribution province
分段回采区块
sublevel
Stope
blocks
分解产物区
decomposed products zone
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