circulating water and service water
essential service water
essential service water discharge canal
ESW (Emergency Service Water (System))
heater for hot water service system
HOT WATER SERVICE SYSTEM
potable water service access door
RHR service water booster pump
sea water service system
sea water service valve
separate water service according to quality
service water storage tank
station service water tank
water service area of Middle Route Project of S-N water diversion
Water service control system