Dahuofang Water Conveyance Project  大伙房水库输水工程; 大伙房输水工程

Dahuofang Water Conveyance Tunnel  大伙房输水隧洞

Dahuofang Reservoir Water Conveyance Project Phase Ⅱ  大伙房水库输水(二期)工程

water convegance project of Dahuofang Reservoir  大伙房水库输水工程

water conveyance project of Dahuofang Reservoir  大伙房水库输水工程

Water Conveyance Project of Dahuofang Reservoir Ph  大伙房水库输水二期工程; 大伙房输水二期工程

Water Conveyance Project of Dahuofang Reservoir(Phase Ⅱ)  大伙房输水(二期)工程

Water Conveyance Project of Dahuofang Reservoir(Phase II  大伙房水库输水(二期)工程

conveyance-water tunnel  输水隧道

dangerous water conveyance tunnel  输水洞病险

large scale pressure water conveyance tunnel  大型有压输水隧洞

Water Conveyance Project  引水工程; 输水工程

Water Conveyance Tunnel  输水隧洞; 导流洞; 输水洞; 引水隧洞

water-conveyance tunnel  输水隧洞; 输水隧道

Dahuofang Water Diversion Project  大伙房输水隧洞

a main water conveyance canal  总干渠

Baise water project  百色水利枢纽

blasting of water tunnel  隧洞爆破

blow-down water tunnel  暂冲式水洞