PP-R 環保/長腳管卡

◎住宅(zhai)建筑內冷(leng)熱水(shui)用(yong)(yong)管(guan)(guan)(guan)◎凈水(shui)、純水(shui)輸送(song)用(yong)(yong)管(guan)(guan)(guan)◎熱水(shui)循環(huan)與(yu)供熱采(cai)暖用(yong)(yong)管(guan)(guan)(guan)◎自來水(shui)配管(guan)(guan)(guan)◎養殖業用(yong)(yong)管(guan)(guan)(guan)◎水(shui)處(chu)理用(yong)(yong)管(guan)(guan)(guan)◎食品、飲料、藥(yao)物工(gong)廠輸水(shui)用(yong)(yong)管(guan)(guan)(guan)◎工(gong)業冷(leng)熱水(shui)輸水(shui)管(guan)(guan)(guan)◎中央(yang)空調冷(leng)凝水(shui)輸送(song)◎壓縮空氣用(yong)(yong)管(guan)(guan)(guan)