紫(zi)銅板(ban)的工程施(shi)工方式及流程-先將二根(gen)(gen)12#建(jian)筑(zhu)(zhu)鋼(gang)筋(jin)垂直平分底版固定不動，將銅板(ban)部(bu)位(wei)(wei)與(yu)二根(gen)(gen)建(jian)筑(zhu)(zhu)鋼(gang)筋(jin)正中(zhong)(zhong)間(jian)，根(gen)(gen)據一(yi)根(gen)(gen)水(shui)(shui)(shui)準(zhun)建(jian)筑(zhu)(zhu)鋼(gang)筋(jin)透過防(fang)水(shui)(shui)(shui)板(ban)，并在水(shui)(shui)(shui)準(zhun)建(jian)筑(zhu)(zhu)鋼(gang)筋(jin)上邊(bian)焊(han)接止(zhi)(zhi)水(shui)(shui)(shui)環，將止(zhi)(zhi)水(shui)(shui)(shui)環和銅板(ban)中(zhong)(zhong)間(jian)焊(han)透聯接，紫(zi)銅板(ban)薄厚(hou)(hou)(hou)不小于(yu)400mm，各自埋進底版砼中(zhong)(zhong)200mm，該(gai)點(dian)澆(jiao)砼應(ying)高過底版上表層200mm之(zhi)上，不銹鋼(gang)厚(hou)(hou)(hou)度很大3毫(hao)米，為保證(zheng)厚(hou)(hou)(hou)鋼(gang)板(ban)在工程施(shi)工時具備相(xiang)關的額彎曲剛度，再就是(shi)(shi)厚(hou)(hou)(hou)鋼(gang)板(ban)在長方位(wei)(wei)兩(liang)側50毫(hao)米壓(ya)邊(bian)，約折30°邊(bian)。待紫(zi)銅板(ban)基(ji)本上到位(wei)(wei)，厚(hou)(hou)(hou)鋼(gang)板(ban)中(zhong)(zhong)間(jian)應(ying)盡(jin)量避免空(kong)缺，厚(hou)(hou)(hou)鋼(gang)板(ban)中(zhong)(zhong)間(jian)的插口可選用(yong)塔接焊(han)接，鋼(gang)筋(jin)搭(da)接長短(duan)宜超(chao)過400mm，焊(han)接務(wu)必焊(han)透，止(zhi)(zhi)水(shui)(shui)(shui)鋼(gang)板(ban)和止(zhi)(zhi)水(shui)(shui)(shui)帶(dai)(dai)(dai)對比，優勢比不上止(zhi)(zhi)水(shui)(shui)(shui)帶(dai)(dai)(dai)，一(yi)個明(ming)顯的明(ming)確(que)便(bian)是(shi)(shi)銹蝕，后期制作不便(bian)，全(quan)部(bu)盡(jin)量采用(yong)止(zhi)(zhi)水(shui)(shui)(shui)帶(dai)(dai)(dai)工程施(shi)工(橡(xiang)(xiang)膠(jiao)(jiao)止(zhi)(zhi)水(shui)(shui)(shui)帶(dai)(dai)(dai)是(shi)(shi)現澆(jiao)混凝(ning)土(tu)(tu)全(quan)過程式中(zhong)(zhong)一(yi)部(bu)分或(huo)所有混凝(ning)土(tu)(tu)澆(jiao)筑(zhu)(zhu)埋在混泥土(tu)(tu)中(zhong)(zhong)，混泥土(tu)(tu)中(zhong)(zhong)有很多斜角(jiao)的碎石子和鋒利的建(jian)筑(zhu)(zhu)鋼(gang)筋(jin)頭因(yin)為塑膠(jiao)(jiao)和硫化橡(xiang)(xiang)膠(jiao)(jiao)的撕(si)破抗(kang)壓(ya)強度比抗(kang)拉強度低3-5倍(bei)，橡(xiang)(xiang)膠(jiao)(jiao)止(zhi)(zhi)水(shui)(shui)(shui)帶(dai)(dai)(dai)一(yi)旦(dan)被捅穿或(huo)撕(si)破時，不用(yong)非常大外力作用(yong)開裂便(bian)會擴張，因(yin)此(ci)，橡(xiang)(xiang)膠(jiao)(jiao)止(zhi)(zhi)水(shui)(shui)(shui)帶(dai)(dai)(dai)精確(que)定位(wei)(wei)和混泥土(tu)(tu)澆(jiao)筑(zhu)(zhu)全(quan)過程中(zhong)(zhong)，應(ying)留意精確(que)定位(wei)(wei)和澆(jiao)筑(zhu)(zhu)方式，以防(fang)橡(xiang)(xiang)膠(jiao)(jiao)止(zhi)(zhi)水(shui)(shui)(shui)帶(dai)(dai)(dai)被戳破。溫州巨盈(ying)銅業有限公司(si)是(shi)(shi)一(yi)家專業提(ti)供錫(xi)青(qing)銅帶(dai)(dai)(dai)的公司(si)，歡迎新老客戶來電！江西鈹(pi)銅帶(dai)(dai)(dai)批(pi)發

白銅(tong)系列(lie)：型號：.BZn10-25（C7450）、BZn12-24（C7451）、BZn15-20（C7541）、BZn18-10（C7350）、BZn18-18（C7521）、BZn18-26（C7701）；性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)：色澤美觀，并且(qie)具(ju)有優(you)良(liang)的(de)延展性(xing)(xing)(xing)(xing)(xing)(xing)、抗(kang)(kang)疲勞(lao)性(xing)(xing)(xing)(xing)(xing)(xing)和(he)(he)抗(kang)(kang)蝕性(xing)(xing)(xing)(xing)(xing)(xing)，抗(kang)(kang)應力(li)松弛能(neng)(neng)(neng)力(li)好；應用(yong)：用(yong)于(yu)(yu)液晶(jing)體震蕩元(yuan)件(jian)(jian)(jian)外(wai)殼、晶(jing)體殼體、電(dian)位器(qi)(qi)用(yong)滑動片、機械、建(jian)筑、管樂器(qi)(qi)、等(deng)；功能(neng)(neng)(neng)：適用(yong)于(yu)(yu)制作精密機械零件(jian)(jian)(jian)、電(dian)子(zi)器(qi)(qi)件(jian)(jian)(jian)的(de)彈(dan)(dan)簧及零件(jian)(jian)(jian)、光學儀器(qi)(qi)元(yuan)件(jian)(jian)(jian)、鐘表零件(jian)(jian)(jian)，屏蔽罩(zhao)殼、諧振器(qi)(qi)等(deng)元(yuan)器(qi)(qi)件(jian)(jian)(jian)；青銅(tong)系列(lie)：型號：XYK-6（C50715）、QSn4.0-0.3（C5111/C5100）、QSn6.5-0.1（C5191）、QSn8.0-0.3（C5210）、QSn10-0.3（C5240）；.性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)：具(ju)有良(liang)好的(de)延展性(xing)(xing)(xing)(xing)(xing)(xing)、抗(kang)(kang)疲勞(lao)性(xing)(xing)(xing)(xing)(xing)(xing)和(he)(he)抗(kang)(kang)蝕性(xing)(xing)(xing)(xing)(xing)(xing)；應用(yong)：電(dian)子(zi)、電(dian)氣用(yong)彈(dan)(dan)簧、開關、接插件(jian)(jian)(jian)、引線(xian)框架(jia)、連接器(qi)(qi)、端子(zi)、振動片等(deng)。C5192和(he)(he)C5102用(yong)于(yu)(yu)彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)材料；彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)要(yao)求(qiu)特別高時，選(xuan)用(yong)C5210、C5240；功能(neng)(neng)(neng)：適用(yong)于(yu)(yu)制作彈(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)元(yuan)件(jian)(jian)(jian)江蘇環保銅(tong)帶紫銅(tong)帶，就(jiu)選(xuan)溫州巨盈(ying)銅(tong)業(ye)有限公司，用(yong)戶(hu)的(de)信賴之選(xuan)。

產品名(ming)稱：供應QSn4-0.3錫(xi)(xi)磷(lin)(lin)青銅(tong)QSn4-0.3錫(xi)(xi)磷(lin)(lin)青銅(tong)/QSn4-0.3錫(xi)(xi)磷(lin)(lin)青銅(tong)板/QSn4-0.3錫(xi)(xi)磷(lin)(lin)青銅(tong)棒(bang)/QSn4-0.3銅(tong)合(he)金/QSn4-0.3錫(xi)(xi)磷(lin)(lin)青銅(tong)管/QSn4-0.3錫(xi)(xi)磷(lin)(lin)青銅(tong)帶/化學成(cheng)分/硬(ying)度/價格/性(xing)能(neng)/對照表材料(liao)名(ming)稱：錫(xi)(xi)青銅(tong)拉(la)(la)制(zhi)棒(bang)（硬(ying)，25～40mm）牌號：QSn4－0．3標準：GB/T4423－1992●特性(xing)及適用范圍(wei)：QSn4-0.3有高的力學性(xing)能(neng)、耐蝕性(xing)和彈(dan)性(xing)，能(neng)很(hen)好地在冷態(tai)下承受壓(ya)力加工，也可在熱態(tai)下進行壓(ya)力加工。●化學成(cheng)份：銅(tong)Cu：余量錫(xi)(xi)Sn：3．5～4．5鉛Pb：≤0．02磷(lin)(lin)P：0．20～0．40鋁Al：≤0．002鐵Fe：≤0．02硅Si：≤0．002銻Sb：≤0．002鉍Bi：≤0．002注：≤0．1（雜(za)質）●力學性(xing)能(neng)：抗拉(la)(la)強(qiang)度σb（MPa）：≥355伸(shen)長率δ10（%）：≥12伸(shen)長率δ5（%）：≥15注：棒(bang)材的縱(zong)向室溫拉(la)(la)伸(shen)力學性(xing)能(neng)試(shi)樣(yang)尺(chi)寸：直徑或對邊距離>25～40●熱處理(li)規范：熱加工溫度750～780℃;退(tui)火溫度600～650℃。

特(te)殊青銅(tong)(tong)(tong)(tong)：加(jia)(jia)入其它元(yuan)素(su)以取(qu)代錫，或(huo)為(wei)無(wu)錫青銅(tong)(tong)(tong)(tong)，多數特(te)殊青銅(tong)(tong)(tong)(tong)都比錫青銅(tong)(tong)(tong)(tong)具有更(geng)高(gao)(gao)的機性(xing)，耐(nai)(nai)磨性(xing)與耐(nai)(nai)蝕性(xing)，常用的有鋁(lv)青銅(tong)(tong)(tong)(tong)（QAL7QAL5）鉛(qian)青銅(tong)(tong)(tong)(tong)（ZQPB30）等(deng)(deng)。以鎳(nie)(nie)為(wei)主要添(tian)加(jia)(jia)元(yuan)素(su)的銅(tong)(tong)(tong)(tong)基合金呈銀白(bai)(bai)(bai)色，稱為(wei)白(bai)(bai)(bai)銅(tong)(tong)(tong)(tong)。鎳(nie)(nie)含(han)量(liang)通常為(wei)10%、15%、20%，含(han)量(liang)越高(gao)(gao)，顏(yan)色越白(bai)(bai)(bai)。銅(tong)(tong)(tong)(tong)鎳(nie)(nie)二元(yuan)合金稱普通白(bai)(bai)(bai)銅(tong)(tong)(tong)(tong)，加(jia)(jia)錳、鐵、鋅(xin)和(he)(he)(he)(he)鋁(lv)等(deng)(deng)元(yuan)素(su)的銅(tong)(tong)(tong)(tong)鎳(nie)(nie)合金稱為(wei)復雜白(bai)(bai)(bai)銅(tong)(tong)(tong)(tong)，純銅(tong)(tong)(tong)(tong)加(jia)(jia)鎳(nie)(nie)能顯著(zhu)提高(gao)(gao)強度、耐(nai)(nai)蝕性(xing)、電(dian)阻和(he)(he)(he)(he)熱電(dian)性(xing)。工(gong)業用白(bai)(bai)(bai)銅(tong)(tong)(tong)(tong)根據性(xing)能特(te)點和(he)(he)(he)(he)用途不同分為(wei)結構用白(bai)(bai)(bai)銅(tong)(tong)(tong)(tong)和(he)(he)(he)(he)電(dian)工(gong)用白(bai)(bai)(bai)銅(tong)(tong)(tong)(tong)兩種，分別滿足各種耐(nai)(nai)蝕和(he)(he)(he)(he)特(te)殊的電(dian)、熱性(xing)能。典型(xing)牌號、化學成份（%）（質量(liang)分數）：Sn(錫)、Al(鋁(lv))、Fe(鐵)、Pb(鉛(qian))、Sb(銻)、Bi(鉍)、Si(硅)、P(磷)、Cu、雜質總和(he)(he)(he)(he)。紫(zi)銅(tong)(tong)(tong)(tong)帶，就選溫州(zhou)巨盈銅(tong)(tong)(tong)(tong)業有限公(gong)司，用戶的信賴之選，歡迎您的來(lai)電(dian)哦！

紫銅(tong)(tong)(tong)(tong)的(de)(de)用(yong)途比純(chun)(chun)(chun)(chun)鐵(tie)多得(de)(de)多，每年(nian)有50%的(de)(de)銅(tong)(tong)(tong)(tong)被電(dian)(dian)解(jie)(jie)提純(chun)(chun)(chun)(chun)為(wei)純(chun)(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)，用(yong)于電(dian)(dian)氣(qi)工(gong)業(ye)。這里所說的(de)(de)紫銅(tong)(tong)(tong)(tong)，確(que)實要非常(chang)純(chun)(chun)(chun)(chun)，含(han)銅(tong)(tong)(tong)(tong)達99.95%以(yi)上(shang)才(cai)行，極(ji)少量的(de)(de)雜(za)(za)質(zhi)，特別是(shi)磷、砷、鋁(lv)等(deng)，會降低(di)銅(tong)(tong)(tong)(tong)的(de)(de)導(dao)(dao)電(dian)(dian)率。銅(tong)(tong)(tong)(tong)中含(han)氧(煉(lian)銅(tong)(tong)(tong)(tong)時容易混入少量氧)對導(dao)(dao)電(dian)(dian)率影(ying)響(xiang)很(hen)大，用(yong)于電(dian)(dian)氣(qi)工(gong)業(ye)的(de)(de)銅(tong)(tong)(tong)(tong)一(yi)(yi)般都(dou)必須(xu)是(shi)無氧銅(tong)(tong)(tong)(tong)。另(ling)外(wai)，鉛、銻、鉍等(deng)雜(za)(za)質(zhi)會使銅(tong)(tong)(tong)(tong)的(de)(de)結晶(jing)不(bu)能結合在(zai)一(yi)(yi)起，造成(cheng)熱脆，也會影(ying)響(xiang)純(chun)(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)的(de)(de)加(jia)工(gong)。這種(zhong)純(chun)(chun)(chun)(chun)度(du)很(hen)高的(de)(de)純(chun)(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)，一(yi)(yi)般用(yong)電(dian)(dian)解(jie)(jie)法精(jing)制：把不(bu)純(chun)(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)(即粗銅(tong)(tong)(tong)(tong))作(zuo)陽極(ji)，純(chun)(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)作(zuo)陰(yin)極(ji)，以(yi)硫酸銅(tong)(tong)(tong)(tong)溶液為(wei)電(dian)(dian)解(jie)(jie)液。當電(dian)(dian)流通過后，陽極(ji)上(shang)不(bu)純(chun)(chun)(chun)(chun)的(de)(de)銅(tong)(tong)(tong)(tong)逐漸(jian)熔解(jie)(jie)，純(chun)(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)便逐漸(jian)沉淀在(zai)陰(yin)極(ji)上(shang)。這樣精(jing)制而得(de)(de)的(de)(de)銅(tong)(tong)(tong)(tong);純(chun)(chun)(chun)(chun)度(du)可(ke)達99.99%。紫銅(tong)(tong)(tong)(tong)是(shi)比較(jiao)純(chun)(chun)(chun)(chun)凈的(de)(de)一(yi)(yi)種(zhong)銅(tong)(tong)(tong)(tong)，一(yi)(yi)般可(ke)近(jin)似認為(wei)是(shi)純(chun)(chun)(chun)(chun)銅(tong)(tong)(tong)(tong)，導(dao)(dao)電(dian)(dian)性(xing)、塑性(xing)都(dou)較(jiao)好，但(dan)強度(du)、硬度(du)較(jiao)差一(yi)(yi)些。紫銅(tong)(tong)(tong)(tong)帶，就(jiu)選(xuan)溫州巨(ju)盈銅(tong)(tong)(tong)(tong)業(ye)有限公司(si)，用(yong)戶(hu)的(de)(de)信賴(lai)之選(xuan)，有需要可(ke)以(yi)聯系我司(si)哦(e)！福建磷銅(tong)(tong)(tong)(tong)銅(tong)(tong)(tong)(tong)帶廠家(jia)

紫(zi)銅(tong)帶，就選溫(wen)州巨盈銅(tong)業有限公司，歡迎(ying)客戶來(lai)電！江西鈹銅(tong)帶批(pi)發

錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)：是由(you)(you)(you)(you)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)為(wei)(wei)(wei)主加(jia)元素的(de)(de)(de)(de)銅(tong)(tong)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)合金(jin)，也稱為(wei)(wei)(wei)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)。當(dang)(dang)含錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)量(liang)(liang)小于(yu)(yu)5~6%，錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)溶(rong)于(yu)(yu)銅(tong)(tong)中(zhong)形(xing)(xing)(xing)成(cheng)(cheng)a固溶(rong)體，塑(su)性(xing)(xing)上(shang)(shang)升(sheng)(sheng)，當(dang)(dang)含錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)量(liang)(liang)大于(yu)(yu)5~6%時，由(you)(you)(you)(you)于(yu)(yu)出現了(le)Cu31sb8為(wei)(wei)(wei)基的(de)(de)(de)(de)固溶(rong)體，抗(kang)(kang)拉強(qiang)度(du)(du)下(xia)降(jiang)，所以(yi)秤(cheng)的(de)(de)(de)(de)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)含錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)量(liang)(liang)大多(duo)在(zai)3~14%之(zhi)間，當(dang)(dang)含錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)量(liang)(liang)小于(yu)(yu)5%，適(shi)用于(yu)(yu)冷(leng)變形(xing)(xing)(xing)加(jia)工(gong)(gong)(gong)(gong)，當(dang)(dang)含錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)量(liang)(liang)為(wei)(wei)(wei)5~7%時的(de)(de)(de)(de)適(shi)用于(yu)(yu)熱(re)變形(xing)(xing)(xing)加(jia)工(gong)(gong)(gong)(gong)。由(you)(you)(you)(you)于(yu)(yu)a與&電極(ji)(ji)(ji)電位(wei)相(xiang)近，且成(cheng)(cheng)分(fen)中(zhong)的(de)(de)(de)(de)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)氮化(hua)后生(sheng)成(cheng)(cheng)致密的(de)(de)(de)(de)二氧(yang)化(hua)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)薄膜，耐大氣、耐海水等的(de)(de)(de)(de)耐蝕(shi)性(xing)(xing)上(shang)(shang)升(sheng)(sheng)，只是耐酸性(xing)(xing)較(jiao)差(cha)。因為(wei)(wei)(wei)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)結晶(jing)溫度(du)(du)范(fan)圍較(jiao)寬，流動性(xing)(xing)差(cha)，不易(yi)形(xing)(xing)(xing)成(cheng)(cheng)集中(zhong)縮孔，而(er)(er)易(yi)形(xing)(xing)(xing)成(cheng)(cheng)枝晶(jing)偏析和分(fen)散縮孔，鑄(zhu)(zhu)造(zao)收縮率小，有利(li)于(yu)(yu)得尺寸極(ji)(ji)(ji)接(jie)近于(yu)(yu)鑄(zhu)(zhu)型的(de)(de)(de)(de)鑄(zhu)(zhu)件，所以(yi)適(shi)于(yu)(yu)鑄(zhu)(zhu)造(zao)形(xing)(xing)(xing)狀復雜。錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)有良好的(de)(de)(de)(de)減摩(mo)性(xing)(xing)，抗(kang)(kang)磁性(xing)(xing)及(ji)低溫韌性(xing)(xing)。錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)按生(sheng)產方法可分(fen)為(wei)(wei)(wei)壓力(li)加(jia)工(gong)(gong)(gong)(gong)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)與鑄(zhu)(zhu)造(zao)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)兩大類。A、壓力(li)加(jia)工(gong)(gong)(gong)(gong)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)：含錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)量(liang)(liang)一(yi)般(ban)小于(yu)(yu)8%，宜冷(leng)熱(re)壓力(li)加(jia)工(gong)(gong)(gong)(gong)成(cheng)(cheng)板、帶、棒、管等型材供應，經(jing)加(jia)工(gong)(gong)(gong)(gong)硬化(hua)后，其(qi)抗(kang)(kang)拉強(qiang)度(du)(du)、硬度(du)(du)上(shang)(shang)升(sheng)(sheng)、而(er)(er)塑(su)性(xing)(xing)下(xia)降(jiang)。再(zai)退火后可保持較(jiao)高(gao)抗(kang)(kang)拉強(qiang)度(du)(du)下(xia)改善塑(su)性(xing)(xing)、尤(you)其(qi)是獲得高(gao)的(de)(de)(de)(de)彈性(xing)(xing)極(ji)(ji)(ji)限(xian)。常用的(de)(de)(de)(de)有Qsn4-3Qsn6.5~0.1。B、鑄(zhu)(zhu)造(zao)錫(xi)(xi)(xi)(xi)(xi)(xi)(xi)(xi)青(qing)(qing)(qing)銅(tong)(tong)：以(yi)鑄(zhu)(zhu)錠供應，由(you)(you)(you)(you)鑄(zhu)(zhu)造(zao)車間鑄(zhu)(zhu)成(cheng)(cheng)鑄(zhu)(zhu)件使用，適(shi)宜鑄(zhu)(zhu)造(zao)形(xing)(xing)(xing)狀復雜但致密度(du)(du)要求不高(gao)的(de)(de)(de)(de)鑄(zhu)(zhu)件，如滑動軸承、齒輪(lun)等。常用的(de)(de)(de)(de)有ZQsn10-1ZQsn6-6-3。江(jiang)西鈹銅(tong)(tong)帶批發(fa)

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