a main water conveyance canal

boiler feed water pipe

canal water conveyance

cast iron water pipe

Circulating Water Pipe

Cooling Water Pipe

cracking of water pipe

Dahuofang Reservoir Water Conveyance Project Phase Ⅱ

Dahuofang Water Conveyance Project

Dahuofang Water Conveyance Tunnel

Dahuofang Water Conveyance Tunnel Project

dangerous water conveyance tunnel

deep water pipe well

Distributed water pipe

diversion of water pipe

drill water pipe

drinking water pipe network

Ecological Water Conveyance

emergency water conveyance