隧洞开挖

  • n.tunneling operation
  • 网络tunnel excavation

隧洞开挖隧洞开挖

隧洞开挖

tunnel excavation

专业英语词汇水利水电工程... ... 隧洞渐变段 tunnel transition section 隧洞开挖 tunnel excavation 隧洞排水 tunnel drainage ...

热词推荐