large-scale roadway

• 大断面巷道

large-scale roadway的用法和样例：

例句

1. This paper introduces the determination of the calculating formula of the empty-support distance of headwork in the tunnel with large sections by using the plate theory.
   文章介绍了利用薄板理论确定大断面巷道掘进期间的空顶距计算公式。