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METHOD FOR BORING EXTRACTION OF WEAK-CTRONG KIMBERLITE FROM BENEATH OF SWAMPED SOIL
METHOD FOR BORING EXTRACTION OF WEAK-CTRONG KIMBERLITE FROM BENEATH OF SWAMPED SOIL
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机译:从沼泽土壤下面提取弱抽金伯利岩的方法
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摘要
Drilling out of weak-strong kimberlite with vertical wells is performed selectively over the surface of the ore body, this is gradually opened, at basing the drilling unit on a floating platform. The drilled-out volumes are substituted with suspension.
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