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- A New Type of Supporting the Wall of Coal Tunnel 煤巷巷帮支护的一种新形式
- surrounding rock stability of coal tunnel 煤巷围岩稳定性
- Discussion on the quick digging in coal tunnel big cutting face 煤巷大断面快速炮掘探讨
- Main Technical analysis on bolt initial anchor-hold in coal tunnel 影响煤巷锚杆支护初锚力的主要技术因素分析
- Type and prevention of roof collapse of bolt support in coal tunnel 煤巷锚杆支护冒顶事故的类型及预防
- Water gushing is a major geological problem and a hidden danger for coal tunnels construction.The prediction of water gushing in dangerous zone is necessary for safety construction. 煤矿巷道突水是煤巷工程中的主要地质问题,是煤巷施工中的安全隐患,突水危险地段的超前预报是安全施工的保证。
- Application of the anchor net support in the fragmentation type coal tunnel 碎裂型围岩煤巷的锚网支护实践
- The technique of full digging anchor net supporting in the half coal tunnel 半煤岩巷道机掘锚网支护技术
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Study on the bursting construction technique of the full coal tunnel 全煤巷道爆破施工技术研究
- 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。
