x
uploads/town mains.jpg

town mains 城市(煤氣)總管道。

town major

Water supply for high rise building , fire profection , heating , chilledwater in rhe air conditioning system , town main , residential complex , industrial application , and iow pressure circulator of the boiler system 高層建筑生活、消防、采暖、空調系統給水,城鎮、城市住宅小區公共供水,也可用于工礦企業給排水以及低壓鍋爐循環給水。