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production drilling rigs
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production drilling rigs
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〔地下穿孔设备〕
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production drilling rigs
地下采矿凿岩台车
支承、推进和移动凿岩机进行地下矿体钻凿炮孔,并能够自动行走的凿岩设备。又称地下采矿钻孔台车。是地下采矿采用凿岩爆破法施工的一种凿岩设备。
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