“blind drift”的概念、定义、翻译、参考文献-科学参考

单词	blind drift
释义	blind drift [¦blīnd `drift] ^{MINING ENGINEERING} In a mine, a horizontal passage not yet connected with the other workings.
随便看	pile foundation pile hammer pile lighthouse pile shoe pileum pileup pileus pile weave Pilger tube-reducing process Pilidae Pilifera piling pill pillar pillar-and-breast system pillar-and-room system pillar-and-stall system pillar bolt pillar buoy pillar burst pillar crane pillar drive pillar extraction pillaring pillar ladder

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