PP-R 環保/管卡

◎住宅建筑內(nei)冷熱(re)水(shui)用(yong)管(guan)◎凈水(shui)、純水(shui)輸(shu)(shu)送(song)用(yong)管(guan)◎熱(re)水(shui)循環與(yu)供(gong)熱(re)采(cai)暖用(yong)管(guan)◎自來水(shui)配管(guan)◎養殖業用(yong)管(guan)◎水(shui)處理用(yong)管(guan)◎食品、飲料、藥物工廠輸(shu)(shu)水(shui)用(yong)管(guan)◎工業冷熱(re)水(shui)輸(shu)(shu)水(shui)管(guan)◎中央空調冷凝(ning)水(shui)輸(shu)(shu)送(song)◎壓縮(suo)空氣(qi)用(yong)管(guan)