鍍鋅方管廠家益源制管帶您了解鍍鋅鋼管
今(jin)天鍍(du)(du)(du)鋅(xin)(xin)方管廠家(jia)益源制管帶您(nin)了解鍍(du)(du)(du)鋅(xin)(xin)鋼管,它們分為冷鍍(du)(du)(du)鋅(xin)(xin)鋼管和熱(re)鍍(du)(du)(du)鋅(xin)(xin)鋼管。冷鍍(du)(du)(du)鋅(xin)(xin)鋼管已(yi)被禁用(yong),后者還被提(ti)倡暫時(shi)能使(shi)用(yong)。六七十年代,國(guo)際上發達開(kai)始開(kai)發新型管材,并(bing)陸(lu)續禁用(yong)鍍(du)(du)(du)鋅(xin)(xin)管。中國(guo)建(jian)(jian)設(she)部等四部委也發文明確從2000年起禁用(yong)鍍(du)(du)(du)鋅(xin)(xin)管作為供水(shui)管,新建(jian)(jian)小區(qu)的冷水(shui)管已(yi)經很少使(shi)用(yong)鍍(du)(du)(du)鋅(xin)(xin)管了,有些(xie)小區(qu)的熱(re)水(shui)管使(shi)用(yong)的
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