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открытая горная выработка强调
一般 opencast mining
Gruzovik, 矿业 opencast mining
地质学 open pit; open-cut mining; open-cut; open-pit mining; open-pit working; opencast workings
建造 open excavation
技术 excavation; open-cast mining; open cut
矿业 open working; opencast
马卡罗夫 glory hole
открытые горные выработки
矿业 surface workings
黄金开采 open-pit workings (Leonid Dzhepko)