About energy economization, mainly introduced how new technologies and methods are used in utilizing of hydraulic head, decreasing pressure and quantity, setting of fire-fighting system, water pump, supplying of hot water etc.
About energy economization, mainly introduced how new technologies and methods are used in utilizing of hydraulic head, decreasing pressure and quantity, setting of fire-fighting system, water pump, supplying of hot water etc.
关于节能，主要介绍了在给水管网水头的利用方面，减压节流问题方面，生活与消防系统设置方面，水泵方面，开水供应方面的节能新方法、新技术。