×
导洞开挖
meaning in English
pilot drive
Related Words
门户洞开
导洞开采
阿拉霍洞开
探洞开挖
隧不洞开挖
道洞开挖法
挖地道
回挖
挖个坑
风挖穴
导洞掘进工
导洞开采
导洞口
导洞梯段挖法
PC Version
Copyright © 2018 WordTech Co.