我國銅(tong)(tong)(tong)產(chan)業布局急需(xu)調整(zheng)，不斷提高產(chan)業集約(yue)化程度，使。1.常(chang)(chang)用銅(tong)(tong)(tong)材(cai)各國牌(pai)號對照表2.各種(zhong)銅(tong)(tong)(tong)材(cai)牌(pai)號的特性及用途(tu)以上資料摘自成大(da)(da)先主編的《機械(xie)設計手冊》 第6版附常(chang)(chang)用銅(tong)(tong)(tong)材(cai)相關標準(zhun)GBT 17793-1999 一般(ban)用途(tu)的加(jia)工銅(tong)(tong)(tong)及銅(tong)(tong)(tong)合(he)金板帶材(cai)外形尺(chi)寸及允(yun)許(xu)偏差GBT 5231-2012 加(jia)工銅(tong)(tong)(tong)及銅(tong)(tong)(tong)合(he)號和化學成分GB-T 4423-2007 銅(tong)(tong)(tong)及銅(tong)(tong)(tong)合(he)金拉(la)制棒GBT 2040-2017 銅(tong)(tong)(tong)及銅(tong)(tong)(tong)合(he)金板材(cai)。導(dao)致(zhi)國內多數冶煉(lian)廠(chang)(chang)有(you)減(jian)產(chan)計劃(hua)，因此精銅(tong)(tong)(tong)產(chan)量多少(shao)也會受到一定制約(yue)，特別是對電力電網、房地產(chan)、家電、交通運輸等終端市(shi)場(chang)消費領域影響也非常(chang)(chang)大(da)(da)，下游加(jia)工企業及終端市(shi)場(chang)受影響相對冶煉(lian)廠(chang)(chang)而言沖擊更(geng)大(da)(da)珠海止水(shui)銅(tong)(tong)(tong)片

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