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
超长隧洞工程
Ultra long tunnel project
Super-long Tunnel
城门洞形隧洞
Arch cross-section 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
大伙房输水隧洞
dahuofang water diversion project
dahuofang water conveyance tunnel