“shaft deepening”的概念、定义、翻译、参考文献-科学参考

单词	shaft deepening
释义	shaft deepening Encyclopedia 工学普通凿井法释 shaft deepening井筒延深多水平开拓的矿井中，将生产竖井延深到新水平的施工工艺。
随便看	lattice vibration lattice vibrational absorption lattice wave lattice wave momentum lattice with a valuation lattice with complements latticework engineering latticework patterns latticoid lattin latus rectum Latvian language Latvian Literature Latvians Latvia，cinema in Latīfah al-Zayyāt Lauchlin Currie's two visits to China lauda Laue Laue condition Laue crater Laue diffraction pattern Laue equation Lau effect Laue group

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