1、[矿业]煤巷
文章摘要信息 关键词 ： 煤巷;综掘;封闭控尘;除尘;技术工艺 [gap=982]Keywords : coal road；fullymechanized advancing； enclosure dustlaying system； dust laying； technolo
coal-road煤巷
coal main road煤层大巷
Position of Coal Bottom Road底板巷位置确定
main coal water road way阶段溜煤巷
digging coal road煤巷掘进
coal road bolt net煤巷锚网
gas outburst coal road突出煤巷
bolt in coal road煤巷锚杆