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汉语拼音：dòng shì

在矿井下，专为安装各种机械设备或存放材料、矿石和供其他辅助作业及办公用的巷道。

1. 在矿井下，专为安装各种机械设备或存放材料、矿石和供其他辅助作业及办公用的巷道。

• In February, a methane gas explosion collapsed an underground chamber in a coal mine in northwestern Balikesir province, killing 13 workers.

  今年二月，巴勒克希尔省西北部的一个煤矿地下峒室发生沼气爆炸致13名工人罹难。

• The Technique of Passing the Leaked Roof of the Head Chambers of the Main Flat Caverns in Tashan Coal Mine

  塔山矿主平峒机头峒室过漏顶技术

• Application of Controlled Blasting Technology on Signal ChamberConstruction underground

  控制爆破技术在地下大断面峒室施工中的应用

• Aplication of short delay pre-splitting blasting technology among and inside deep holes in engineering blasting of fragment room

  深孔孔内、孔间微差预裂爆破技术在破碎峒室工程爆破中的应用

• Numerical Analysis of the Partial Unstability of Big Underground Surrounding Rocks

  大型地下峒室围岩局部失稳与支护数值分析

• Positional parameter engineering calculation of divided charges in chamber blasting

  峒室爆破中分装药包位置参数的工程计算

• Application of Combined Support with Bolt, Steel Band, Anchor Rope, Chain Mesh and Shotcrete in the Deep High Stress and Big Section Chamber

  锚带网喷锚索组合支护技术在深部高应力大断面峒室中的应用

• Numerical Analysis for Grooving and Reinforcing in Floor to Control Soft-Rock Underground Opening Floor-Heave

  开槽加固底板控制软岩峒室底鼓的数值分析

• Controlled Chamber Blasting And Supplying Stone for International Airport

  国际机场石方供料峒室控制大爆破