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China
containing
生矿
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in specified order only
Chinese
English
伴
生矿
产
associated mineral
伴生放射性矿
accompanying radioactive mine
《关于预防煤矿生产安全事故的特别规定》
the Special Regulations for Preventing Coalmine Accidents
煤矿安全生产
coal mine safety in production
矿井生产系统
mine production system
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