英语词汇“overhand mining”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	overhand mining
释义	overhand mining 英?[??uv?h?nd ?ma?n??] 美?[?ov??h?nd ?ma?n??] 释义倒台阶采煤法行业词典煤炭倒台阶采煤法???"在急斜煤层中,布置成下部超前的台阶形的工作面,并沿走向推进的采煤方法。"???
随便看	bumper beams bumper block bumper book bumper bracket bumper-car bumper car bumper cars bumper coating, elastic bumper cover bumper crop bumper crops bumper crop year bumper dented bumper end block bumperer bumperest bumperette bumperettes bumper for crane bumper fracture bumper frame bumper game bumper gate bumper guard bumper guards

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overhand mining