... 煤（岩）巷 coal(rock) roadway 沿空巷道 roadway along gob 围岩 surrounding rock ...
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roadway along gob area 沿空巷道
roadway driving along gob 沿空掘进
roadway driven along next gob 沿空掘巷
·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper analyzed and calculated width of coal pillar for driving roadway along gob.
对沿空掘巷时煤柱的留设问题进行了分析和计算。
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