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- rock cross - cut coal uncovering 石门揭煤
- Confirming Least Rock Pillar Thickness in Cross-cut Coal Uncovering 石门揭煤最小预留岩柱厚度的确定
- THE FAST METHOD FOR COAL UNCOVERING THROUGH "STOPPING FLOW AND DRAINAGE" GAS 瓦斯"截流抽放"快速揭煤法
- Cross-cut Coal Uncovering Technology in Flat, Unstable, "Three-soft" and Outburst Coal Seam Under Slide Tectonics 滑动构造下"三软"不稳定近水平突出煤层石门揭煤方法
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Study on proper layout parameters of the gas drainage drills of outburst prevention in rock cross-cut coal uncovering 石门揭煤防突抽放瓦斯钻孔合理布置参数的研究
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- We have enough coal to see the winter out. 我们有足够的煤过冬。
- They eked out their coal by collecting firewood. 他们拣拾木柴以补充煤的不足。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- Pile on more coal the fire is going out. 火快灭了,再加上些煤。
- What can we do with the bituminous coal? 这些烟煤可以用来做什么?
- A coal fell from the fire and burned the mat. 一块煤炭从火中掉出来,烧坏了地席。
- The country is rich in oil and coal. 这个国家石油和煤的资源丰富。
- The smoldering coal or ash of a dying fire. 余烬将要熄灭的火中的冒着烟的煤块或灰烬