side bolting 中文意思是什麼
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Application of bolting with wire pillar supporting technology in driving along gob - side entry
錨笆柱支護技術在沿空掘巷中的應用 -
Experiment of supporting with meshing and bolting for entry driving along gob side within soft roof, soft floor and soft coal seam
煤層沿空掘巷錨帶網支護的應用研究 -
Trial of bolting with wiremesh along double gob - side entry in three soft seam
三軟煤層雙沿空掘巷採用錨帶網支護的嘗試
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