锅炉定排控制系统
The Procedure- control - system about Boiler
锅炉排污
boiler blow-off
boiler pollution discharged
boiler blow down
boiler blowdown
boiler sludge-draining
Boiler extracting water
锅炉排污管
boiler water blow-down pipe
锅炉排污管路
boiler blow out pipeline
boiler blow-out pipe line
锅炉设计和运行
boiler design and operation