关于供水系统节能降耗的探讨的英文

discussion on power saving and consume reducing for water supply system

• 关于:    about; on; with re ...
• 供水:    water supply; wate ...
• 系统:    system
• 节能:    energy conservatio ...
• 的:    4次方是 The fourth po ...
• 探讨:    inquire into; prob ...