- 更多网络例句与掘进石门相关的网络例句 [注：此内容来源于网络，仅供参考]
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According to the distribution law of three zones in uncovering coal and the relation between the distribution law and delay outburst, the prevention and control technology is brought up, which firstly adopts gas drainage in the coal through drainage hole to release the outburst power by stages, and then intensifies the intensity of uncovering coal and increases the length of stress relaxation zone and stress concentration zone by using the liquid injecting and freezing to prevent the coal rheology. At last, the shoring measures to prevent roof falling is tabled.
根据掘进工作面附近暴露煤体的&三区&分布规律及其与延时突出的关系；提出先采用钻孔抽放石门突出煤层瓦斯等措施分阶段释放煤与瓦斯突出动力源；再用注液冻结技术增强揭开煤体的强度、增加集中应力区和卸压区的长度来防止被揭开煤体发生流变而导致延时突出的防突技术；以及在揭煤后采取迅速支护防止空顶和冒落等防治措施。
- 更多网络解释与掘进石门相关的网络解释 [注：此内容来源于网络，仅供参考]
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crosscutting：石门掘进
crosscutshears 横向剪切机 | crosscutting 石门掘进 | crossdrift 石门
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crosscutting：掘进石门, 开凿横巷, 平石门
crosscutting relationships | 互切关系 | crosscutting | 掘进石门, 开凿横巷, 平石门 | crossdrift | 石门, 横巷
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crosscutting relationships：互切关系
crosscut | 捷径, 横切 横切的 | crosscutting relationships | 互切关系 | crosscutting | 掘进石门, 开凿横巷, 平石门