roadway excavation.

• 巷道

roadway excavation.的用法和样例：

例句

1. The construction destruction of the roadway was horrendous.
   建筑破坏巷道是可怕的。
2. The roadway excavation and supporting are crucial techniques in mining engineering.
   巷道掘进与支护是采矿工程的技术关键。