roadwayn.车行道
roadway resistance巷道风阻
roadway defomation巷道变形
roadway excavating巷道掘进
roadway supporting巷道支护
roadway dis repair巷道失修
roadway of cutting切割巷
roadway excavation路基开挖,平巷掘进
roadways stability巷道稳定性
roadway engineering井巷工程
roadway floor heave巷道底臌