“竖井”的概念、定义、翻译、参考文献-科学参考

单词	竖井
释义	竖井 Encyclopedia 工学竖井释 shaft竖井为采矿活动而开凿的直立井筒。工学辅助坑道设计释 vertical shaft竖井为增加水平向隧道主洞工作面，缩短出渣进料运输距离，而在隧道上方开挖的与隧道相连的竖向坑道。理学岩土掘进工程释 shaft竖井在地层中开凿的直通地面的直立通道。
随便看	forward derivative forward derivative function forward design forward difference forward difference operator forward difference quotient forward differentiability forward Dini derivative forward dynamics forward elimination forward elimination and backward substitution forward engineering forward equation forward error forward error analysis forward error-correcting forward error correction forward Euler method forward flux sampling method forward gene mutation forward genetics forward genetics screening forward geochemical modeling forward graph search motion planning forwarding rate

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