deep mine roadway 深井巷道
coal mine roadway 煤矿巷道
multi mine roadway 多条巷道
mine roadway layout 巷道布置
mine roadway roaming 巷道漫游
mine roadway support 巷道支护
However, there are a few people make a research on the 3D problems of roadway. Therefore, there is bound to design special 3D data structure suiting the mine roadway.
但是巷道的三维问题，很少有人对其进行针对性的研究，所以设计矿山巷道特有的三维数据结构势在必行。
参考来源 - 矿山信息系统中巷道的三维矢量数据结构与可视化·2,447,543篇论文数据，部分数据来源于NoteExpress
Describes the use of the device in coal mine roadway turning.
介绍了这种装置在煤矿井下转弯巷道中的使用情况。
Gas accumulation in a mine roadway is a prerequisite condition for the occurrence of gas accidents.
矿井巷道瓦斯积聚是瓦斯灾害事故发生的前提条件。
Shuangliu mine roadway stay for the end of a roadway technical although some research, but is not yet mature.
双柳煤矿对于尾巷留巷技术虽然进行了一些研究，但尚不成熟。
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