英语词汇“pillar drive”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pillar drive
释义	pillar drive pillar drive [′pil·ər ‚drīv] (mining engineering) A wide irregular drift or entry, in firm dry ground, in which the roof is supported by pillars of the natural earth, or by artificial pillars of stone, no timber being used.
随便看	double-croche double crochet double cropping double-cropping double cross double-cross double cross (cross) double-crossed double crosser double-crosser double crossers double-crossers double-crosses double-crossing double crossover double cross-vault double crown double crush syndrome double-crystal x-ray double crystal x-ray diffraction double cuff double-current cable code double-current generator double-current signaling double cusp

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