“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	nondispersive wave non-dissipative nondissipative flow non-dissipative interaction non-divergence non-divergent series non-dividing set non-document information source non-dominated nondominated like point nondominated-like point non-dominated point nondominated point non-dominated solution Non-dramatic Songs in Prosperous Era Non-dramatic Songs of the Operatic Circle non-duality non-dualizable nondurable goods non dynamical correlation non-dynamical correlation nondynamical correlation non-economically active population noneconomic compensation nonedible biomass

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