TBM隧洞  TBM tunnel

暗挖隧洞  test digging tunnel

不衬砌隧洞  Nonlined tunnel

长大隧洞  Long tunnels; Long and Large Tunnel

长距离无压引水隧洞  long-distance non-pressure water diversion tunnel; long tunnel

长距离引水隧洞  long-distance diversion tunnel

长隧洞  Assessment; long tunnel

长隧洞工程  Long tunnels

超长隧洞  Super-long Tunnel; overlength tunnel

超长隧洞工程  Ultra long tunnel project; Super-long Tunnel

潮河隧洞  chaohe tunnel

衬砌隧洞  lined tunnel

城门洞形隧洞  Arch cross-section tunnel

城门形隧洞  city-gate shaped tunnel

穿黄盾构隧洞  shield tunnel crossing Yellow River

穿黄河隧洞  tunnel across Yellow River

穿黄隧洞  the tunnel passing through the Yellow River; yellow river tunnel; yellow river crossing tunnel; Yellow River-crossing tunnel; tunnels crossing yellow river; the Yellow river passing tunnel; the Yellow River-crossing tunnel; Yellow-River-crossing tunnel; tunnel crossing Yellow River; tunnel passing through the Yellow River; tunnel through the Yellow River

达坂隧洞  Daban tunnel

大断面隧洞  tunnel of large section

大伙房输水隧洞  dahuofang water diversion project; dahuofang water conveyance tunnel