청수압력탱크

F W Pressure Tank, F W Hydrophone Tank

청수여과기

F W Filter, F W Strainer

청수탱크

F W Tank

청수펌프

F W Pump

청열위성

Blue Brittleness

청음봉

Listening Rod

청정기실

Purifier Room

청정기연료유가열기

Purifier Fuel Oil Heater

청정기윤활유가열기

Purifier Lubricating Oil Heater

청정제주입밸브

Chemical Compound Injection Valve