water circulation system造句怎么写

A study of water circulation system and landscape evolution of Huanglong scenic spot

It is used in cooling water circulation system with scale inhibitor etc. Mix built up scale corrosion inhibitor.

No water circulation problem will arise with the boiler load 25%d0 after water circulation system of boiler was remade.

forced-feed water circulation system

Its cooling system adopts fresh water circulation system and sea water circulation system and its lubricating system adopts several sorts of control valves to guarantee engine operating safely and reliably.