金巴黎彩票

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提高灰鑄鐵性能的途徑

來源:未知 佚名 2019-09-26 瀏覽
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  WEITIGAOHUIZHUTIEDEXINGNENG,CHANGCAIQUXIALIEJIZHONGCUOSHI:XUANZEHELIDEHUAXUECHENGFEN;GAIBIANLULIAOZUCHENG,GUORECHULITIEYE;YUNYUCHULI;WEILIANGHUODIHEJINHUA。CAIQUHEZHONGCUOSHIQUJUEYUSUOYAOQIUDEXINGNENGJISHENGCHANTIAOJIAN,WANGWANGTONGSHICAIQULIANGZHONGYISHANGCUOSHI。

金巴黎彩票   1、HUAXUECHENGFENDEHELIXUANPEI

  (1)碳、硅及硅碳比 灰鑄鐵的含碳量大多在2.6%~3.6%,含硅量在1.2%~3.0%,碳硅都是強烈地促進石墨化的元素,可用碳當量CE來說明它們對灰鑄鐵金相組織和力學性能的影響.提高碳當量促使石墨化變粗,數量增多,強度和硬度下降.降低碳當量可減少石墨數量,細化石墨,增加初析奧氏體枝晶,從而是提高灰鑄鐵力學性能時常采取的措施.但降低碳當量會導致鑄造性能降低,鑄件金巴黎彩票斷面敏感性增大,鑄件內應力增加,硬度上升加工困難等問題,因此必須輔以其它的措施. 在碳當量保持不變的條件下,適當提高Si/C比(一般由0.5左右提高至0.7左右),在凝固特性,組織結構與材質性能方面有以下變化:

金巴黎彩票   a ZUZHIZHONGCHUXIAOSHITISHULIANGZENGDUO,YOUJIAGUJITIDEZUOYONG;

金巴黎彩票   b YOUYUZONGTANLIANGDEJIANGDI,SHIMOLIANGXIANGYINGJIANSHAO,JIANQINGLESHIMOPIANDUIJITIDEQIEGEZUOYONG;

  c GURONGYUTIESUTIZHONGDEGUILIANGZENGDUO,QIANGHUALETIESUTI(BAOKUOZHUGUANGTIZHONGDETIESUTI);

  d TIGAOLEGONGXIZHUANBIANWENDU,ZHUGUANGTIZAIJIAOGAOWENDUXIASHENGCHENG,YICUHUA,HUIJIANGDIQIANGDU;

  e JIANGDILEAOSHITIDEHANTANLIANG,SHIAOSHITIZAIGONGXIZHUANBIANSHIYISHENGCHENGTIESUTI;

  f GUIGAOTANDIQINGKUANGXIA,YISHIZHUJIANBIAOCENGCHANSHENGGUOLENGSHIMOBINGBANSUIYOUDALIANGTIESUTI,YOULIYUQIEXUEJIAGONG,DANBUJIAGONGMIANDEXINGNENGYOUSUOXUERUO;

金巴黎彩票   g TIGAOLEYEXIANGXIANNINGGUWENDU,JIANGDILEGONGJINGWENDU,KUODALENINGGUFANWEI,JIANGDILETIEYELIUDONGXING

  ,ZENGDALESUOSONGSHENLOUQINGXIANG

金巴黎彩票   . ZONGHEYISHANGGEZHONGGUSUDELIBI,ZAITANDANGLIANGJIAODISHI,SHIDANGTIGAOSi/C,QIANGDUXINGNENGHUIYOUSUOTIGAO,QIEXUEXINGNENGYOUJIAODAGAISHAN,DANYAOZHUYISUOSONGSHENLOUQINGXIANGDEZENGJIAHEZHUGUANGTISHULIANGDEJIANSHAO。ZAIJIAOGAOTANDANGLIANGSHI

  (JUTIQUJUEYUSHENGCHANTIAOJIAN)TIGAOSi/CFANERSHIKANGLAQIANGDUXIAJIANG。CISHITIGAOGUITANBIRENGNENGYOUJIANSHAOBAIKOUQINGXIANGDEYOUDIAN,SHIYONGYUXINGNENGYAOQIUBUGAODEBOBIZHUJIANDEZHUZAO。

  (2)MENGHELIU MENGHELIUBENSHENDOUSHIWENDINGTANHUAWU、ZUAISHIMOHUADEYUANSU。DANLIANGZHEGONGTONGCUNZAISHI,HUIJIEHECHENGMnSJI(Fe、Mn)SHUAHEWU,YIKELIZHUANGFENBUYUJITIZHONG。ZHEXIEHUAHEWUDERONGDIANZAI1600℃YISHANG,BUJINWUZUAISHIMOHUADEZUOYONG,ERQIEHUANKEZUOWEISHIMOHUADEFEIZIFAXINGJINGHE。WEIZHONGHELIUSUOBIXUDEMENGDAYUEWEI:

金巴黎彩票   Mn=1.73S

  S≤0.2% Mn=3.3S

  S≥0.2%

  PUTONGHUIZHUTIEZHONG,LIULIANGYIBANZAI0.02%~0.15%,MENGLIANGZAI0.4%~1.2%。GUZHONGHEYIHOUGUOGAODEMENGHUOLIUCAINENGDANDUQIZUOYONG。

  SHIJIANBIAOMING,ZHIYAOFANGZHITIEYEYANGHUA、ZHENGQUESHIYONGYUNYUFANGBAIKOUDENENGLI,MENGLIANGZENGJIABUJINNENGZENGJIABINGXIHUAZHUGUANGTI,QIESHIDANGFANGKUANDUIHANLIULIANGDEKONGZHIBINGWUHAICHU。OUZHOUXUDUOCHANGJIAJINGCHANGYONGS0.12%~0.15%DETIEYELAIZHUZAOQICHE、TUOLAJISHANGHT250YISHANGCHUPAIHAODELINGJIAN。 MENGZAI1.5%YISHANG,SHENZHICHAOGUOGUILIANGSHI,HUIZHUTIEYISHUHEJINHUAZHUTIE,CISHIJUYOUQIANGDUGAO、YINGDUGAO、MIDUGAO、ZHIMIXINGGAO、NAIMODEYOUDIAN,YIZAIJICHUANGZHUJIANSHANGDEDAOLEYINGYONG,DANCISHISiLIANGYEXUZUOXIANGYINGDETIGAO。 WEIQUEBAOCHANGYONGYUNYUJIDEYUNYUXIAOGUO,HUIZHUTIETIEYEZHONGDEHANLIULIANGYIBANBUDIYU0.05%~0.06%

金巴黎彩票   。 (3)LIN LINSHIZHUTIEDEGONGJINGDIANZUOYI,QIEZUOYONGCHENGDUHEGUIXIANGSI,GUJISUANTANDANGLIANGSHI,YINGJIRULINDEHANLIANG。 LINZAIZHUTIEZHONGYIDIRONGDIANERYUANHUOSANYUANLINGONGJINGCUNZAIYUJINGJIE,QIYINGDUFENBIEZAI750~800HVHE 900~950HVZHIJIAN,GULINKEYITIGAOHUIZHUTIENAIMOXING,YINGYONGYUJICHUANG、GANGTAOHEZHAWA。DANBIXUBIMIANSANYUAN

  LINGONGJINGDECHUXIAN;TONGSHI,SUIZHULINLIANGDETIGAO,LIXUEXINGNENGYOUQISHIRENXINGHEZHIMIXINGJIANGDI。LINLIANGGAOWANGWANGSHI

  鑄件冷裂的原因。 鑄鐵件金巴黎彩票的含磷量一般小于0.20%,有耐磨和高流動性要求的,可至

  0.3%~1.5%,YOUZHIMIXINGYAOQIUDE,HANLINLIANGXUDIYU0.06%。

  2、GAIBIANLULIAOZUCHENG HUIZHUTIEDELULIAOYIBANYOUXINSHENGTIE、FEIGANG、HUILULIAOHETIEHEJINDENGZUCHENG。JIARUFEIGANG,JIANGDITIEYEHANTANLIANG,KEYITIGAOHUIZHUTIEDELIXUEXINGNENG,ZAISHENGBUTONGPAIHAOHUIZHUTIESHIJIANGJIARUBUTONGBILIDEFEIGANGZUOWEIBAOZHENGCAIZHIXINGNENGDEYIGEKONGZHIZHIBIAO。JINNIANLAIYOUYUGONGYEFADAGUOJIAFEIGANGGONGYINGSHIFENCHONGYU,JIAGEYEYUANJIAOXINSHENGTIEBIANYI,YUSHIFAZHANLEBUYONGXINSHENGTIEERZHIYONGFEIGANGHEHUILULIAO,YONGZENGTANFANGFADIAOJIETANLIANGDEHECHENGZHUTIEJIQIYELIANFANGFA。HECHENGZHUTIEBUJINNENGJIANGDICHENGBEN,ERQIEZAITONGYANGDEHUAXUECHENGFENXIANENGHUODEGENGHAODELIXUEXINGNENG。HECHENGZHUTIEDESHENGCHANXUYAONENGJIANGTIEYEWENDUGUOREDAO1500℃YISHANGDERONGLIANSHEBEI。

  WEIJIEYUENENGLIANGHEGAISHANHUIZHUTIEDEZUZHIYUXINGNENG,HUANKEZAIPEILIAOZHONGCAIYONGHECHENGSHENGTIEDAITIZHUZAOSHENGTIE。ZHESHIYINWEIGAOLUSHENGCHANZHUZAOSHENGTIEBIZHISHENGCHANLIANGANGSHENGTIEXUYAOGENGDUODEJIAOHAO,BINGJIANGDISHENGCHANLV。WEICIKEYONGGAOTANDIGUIGAOLUTIEYE,DAOJINYETAIGUITIE,ZHIDEHECHENGSHENGTIE。YONGHECHENGSHENGTIESHENGCHANDEHUIZHUTIEQIJINXIANGZUZHIHELIXUEXINGNENGDEDAOLEGAISHAN。

金巴黎彩票   3、TIEYEGUORECHULI WENDU、HUAXUECHENGFEN、CHUNJINGDUSHITIEYEDESANXIANGZHUYAOYEJINZHIBIAO,ERTIEYEWENDUDEGAODIYOUZHIJIEYINGXIANGDAOCHENGFENHECHUNJINGDU。TIEYEWENDUDETIGAOYOULIYUTIGAOLIUDONGXING、HUODEJIANQUANZHUJIAN,JIANGDIFEIPINLV,ERQIEZAIYIDINGFANWEINEIYOULIYULIXUEXINGNENGDEGAISHAN。 ZAIYIDINGFANWEINEITIGAOTIEYEWENDUNENGSHISHIMOXIHUA、JITIZUZHIXIMI、KANGLAQIANGDUTIGAO,YINGDUXIAJIANG,CHENGSHUDU、XIANGDUIYINGDUHEPINZHIXISHUDEDAOGAISHAN,DANXINGMOLIANGYOUSHAOXUTIGAO,BOSONGBIXIANXIAJIANG、SUIHOUYOUTIGAO。 GUODUGUOREBUJINLANGFEINENGLIANG,DUILIXUEXINGNENGYEWUHAOCHU,SHENZHIYOUHAI。CILINJIEWENDUHELULIAOZUCHENG、RONGLIANSHEBEI、HUAXUECHENGFENDENGYINSUYOUGUAN,BUTONGYANJIUZHEDECHUBUTONGJIELUN,DANGUOREZHI1500℃YIQIANDEXIAOGUOHEJIELUNSHIYIZHIDE。GONGYEFADAGUOJIADERONGLIANCHUTIEWENDUZEBAOCHI1520~1550℃,TIEYEBAOWENLUDEWENDUWEI1480~1500℃。

  SUIZHUGUOREWENDUDETIGAO,TIEYEZHONGHANDANLIANG、HANQINGLIANGLVEYOUSHANGSHENG,DAN1450℃YIHOUDEYANGHANLIANGDAFUDUXIAJIANG,TIEYEDECHUNJINGDUYOULETIGAO。JIAOGAODEDANCHULEYIYINQIZHENKONGQUEXIANWAI,DUIZHUTIEDEKANGLAQIANGDUHEYINGDUYOUTIGAOZUOYONG。 ANSi+O2=SiO2DEFANYINGJISUAN,ZHUTIEZHONGDEPINGHENGRONGYANGLIANGSUIWENDUDETIGAOERTIGAO。DANZHUTIEZHONGTANDECUNZAI,ZAIYIDINGDEPINGHENGWENDUZHIHOU,FASHENGLE:SiO2+2C→Si+2CO↑DEFANYING,SHIZHUTIEZHONGRONGYANGLIANGKAISHIXIAJIANG。CIPINGHENGWENDUTGKEANTIEYEZHONGTAN、GUIHANLIANGJISUAN:lg[Si%/(C%)2]=27486/TG+15.47 DUIYUHANTANLIANG3.2%,GUI1.6%DEZHUTIE,QITGWEI1415℃。 TIEYEWENDUDIYUTG,ZEYANGLIUYUTIEYEZHONG,HEGUIDENGYUANSUDEHUAHEWUKEZUOWEIBUFENJIEJINGHEXIN。WENDUGAOYUTG,ZETIEYEZHONGDEYANGYICOXINGSHIYICHU,JIANSHAOLETIEYEDEYANGHUA。PINGHENGWENDUTGZHISHIGELILUNZHI,SHIJIFANYINGWENDUYAOGAOYUCIZHI。YOUYUCODEFANGCHU,TIEYEKAISHIFEITENG,GUSHIJIFANYINGWENDUCHENGWEIFEITENGWENDUTH,TAKEYICONGXIASHIJISUAN: TH(℃)=0.7866xTG(℃)+362 DUIYUC3.2%,Si1.6%DETIEYE,QITH=1475℃。ZHEYESHIGONGYEFADAGUOJIABATIEYECHULUWENDUTIGAOZHI1480℃YISHANGDELINGYIZHONGYAOYUANYIN。

  4、TIEYEYUNYUCHULI YUNYUCHULIJIUSHIZAITIEYEJINRUZHUJIANXINGQIANGQIAN,BAYUNYUJIFUJIADAOTIEYEZHONGYIGAIBIANTIEYEDEYEJINZHUANGTAI,CONGERGAISHANZHUTIEDEXIANWEIZUZHIHEXINGNENG,ERZHEXIEXINGNENGDEGAISHANBINGBUNENGYOUYUJIARUYUNYUJIHOUTIEYEHUAXUECHENGFENDEBIANHUALAIJIESHI。SUIZHUYUNYUJI、YUNYUFANGFADEGAIJIN,YUNYUCHULIYISHIXIANDAIZHUZAOSHENGCHANZHONGTIGAOZHUTIEXINGNENGDEZHONGYAOSHOUDUAN。

金巴黎彩票   (1)YUNYUMUDEJIQIXIAOGUODEPINGDING

  1)YUNYUDEMUDE: CUJINSHIMOHUA,JIANSHAOBAIKOUQINGXIANG; GAISHANDUANMIANJUNYUNXING; KONGZHISHIMOXINGTAI,JIANSHAOGONGJINGSHIMOHEGONGSHENGTIESUTIDEXINGCHENG,YIHUODEZHONGDENGDAXIAODEAXINGSHIMO; SHIDANGZENGJIAGONGJINGTUANSHUHECUJINXIPIANZHUANGZHUGUANGTIDEXINGCHENG; GAISHANZHUTIEDELIXUEXINGNENGHEQITAXINGNENG。

金巴黎彩票   2)YUNYUXIAOGUODEPINGDING: YUNYUMUDEBUTONG,PINGDINGYUNYUXIAOGUODEZHIBIAOYEBUTONG。DANCHANGYONGJIANSHAOBAIKOUQINGXIANG、ZENGJIAGONGJINGTUANSHUJIJIANSHAOGUOLENGDULAIPINGDING。

  ①JIANSHAOBAIKOUQINGXIANG,CHANGYONGSANJIAOSHIYANGDEBAIKOUSHENDUHUOKUANDULAIPINGDINGYUNYUQIANHOUDEBAIKOUQINGXIANG。BUTONGZHUJIANKESHIYONGBUTONGXINGSHIDESANJIAOSHIYANG。

  ②GONGJINGTUANSHU,ZAISHIYANGSHANGCEDINGGONGJINGTUANSHU,YONGYIHENGLIANGYUNYUQIANHOUCHENGHECHENGDUDECHABIE。YINGZHICHU,GONGJINGTUANLINGMINDEBIJIAOBIXUZAIXIANGSITIAOJIANXIAJINXING,YINLULIAO、RONGHUATIAOJIAN、GUORECHULI、YUNYUJI、YUNYUFANGFADENGDOUHUIYINQIGONGJINGTUANSHUDEGAIBIAN;YOUXIEYUNYUJI,LIHANSIYUNYUJI,BINGBUGUODUOZENGJIAGONGJINGTUANSHU,QUEYOUHENQIANGDEJIANGDIBAIKOUQINGXIANGDEZUOYONG。

  ③GONGJINGGUOLENGDU,TIEYEYUNYUHOU,JIEJINGHEXINDALIANGZENGDUO,SHIGONGJINGDALIANGSHENGHEWENDUTIQIANKAISHI,YETIQIANJIESHU,JUEDUIGUOLENGDUJUNXIANGYINGJIANXIAO,YINCIKEYONGYUNYUQIANHOUGUOLENGDUDEBIANHUALAIJIANCEYUNYUXIAOGUO。

  SHIJISHENGCHANBUNENGZHUIQIULIANGDADEYUNYUXIAOGUO。WEIFANGZHISHUSONGDENGQUEXIANCHUXIAN,BUSHAOQIYEGUIDINGXIANGDUIGUOLENGDUXIAOYU4℃WEIYUNYUGUODU,ERLIQIUYUNYUHOUHUODE6~8℃DEXIANGDUIGUOLENGDU。 YUNYUJIDEZUOYONGYOUXIAOXINGJUNSUISHIJIANERSHUAITUI,YINCIZAISHAIXUANYUNYUJISHIYECHANGBAYUNYUXIAOGUOBAOCHICHANGDUANZUOWEIYIGEPINGDINGZHIBIAO。

金巴黎彩票   (2)YIDINGTIAOJIANXIA,MEIZHONGYUNYUJIDOUYOUQIZUIJIAJIARULIANG,

  GUODUODISHIYONGYUNYUJIBUHUIDAILAIGENGDADEYUNYUXIAOGUO,FANERLANGFEIYUNYUJI、JIANGDITIEYEWENDU、ZENGJIAZHUJIANDEQUEXIANHECHENGBEN。YIBANJIANYI,YUNYUJIDAIJINTIEYEDEGUILIANGBUDAYU0.3%、TANLIANGBUDAYU0.1%,GUONEIRONGHUADETIEYEYANGHUACHENGDUJIAODA、GUSHIYONGYUNYUJILIANGDADOUCHAOGUOCIZHI。 ZHIJINGUONEIWAIDABUFENZHUGONGCHEJIANSHIYONGDEYUNYUJIRENGRANSHIFeSi75。QIYUANYINCHUBIANYIYIDEWAI,ZHUYAOSHITAZAIYUNYUHOUDEDUANSHIJIANNEI(YUE5~6min)YOULIANGHAODEYUNYUXIAOGUO。

金巴黎彩票   (3)YUNYUFANGFA

金巴黎彩票   1)、BAONEIYUNYU:BAONEICHONGRUFA:YUNYUJIJIARUBAOZHONG,RANHOUCHONGRUTIEYE;FANGFAZUIJIANDAN,DANYUNYUJIYIYANGHUA,SHAOSUNDA;ZAIBAONEIYIFUQIHEZHAHUNZAIYIQI,BUQIYUNYUZUOYONG;YUNYUJIYONGLIANGDUO;YUNYUZHIJIAOZHUDEJIANGEZUICHANG、SHUAITUIZUIYANZHONG; CHUTIECAOYUNYU:CHUTIESHI,YONGSHOUGONG、YUNYUJILIAODOUHUOZHENDONGGEILIAOQIBAYUNYUJIJIADAOCHUTIECAODETIEYELIUZHONG。HUOZHUANBAOSHI,JIADAOZHUANBAOTIEYELIUZHONG;YUNYUJIYANGHUAJIANQING;YUNYUJILANGFEISHAO,DANYONGLIANGRENGPIANDUO;JIAOZHUQIANTINGLIUSHIJIANCHANG,SHUAITUIYANZHONG;

  2)、CHIHOUYUNYU: JIAOBEIYUNYU:BAYUNYUJI(LIHUOCHENGXINGKUAI)FANGRUJIAOBEIZHONG,TIEYEJINRUJIAOBEI,SHIYUNYUJIRONGJIEHOUJINRUZHUXING;ZENGJIAZAOXINGGONGZUOLIANG;YUNYUJIKELIYIFUQI,LANGFEI;YUNYUHOUTIEYELIJIJINRUZHUXING,JIBENWUSHUAITUI;YUNYUJIYONGLIANGBIBAONEIYUNYUFASHAO; GUITIEBANGYUNYU:JIAOZHUSHI,TONGGUOTIEYELIUDUIBAOZUICHUGUITIEBANGLAIDADAOYUNYU;SHUAITUISHAO;YUNYUJIYONGLIANGBIBAONEIFASHAO;GUITIEBANGZHIZAOMAFAN;YUNYUJIYONGLIANGBUYIKONGZHI;DUIJIAOZHUGONGYIYAOQIUGAO;DAKUAIFUGUIYUNYU:JIANGDAKUAIGUIYUNYUJIFANGBAODI,CHONGRUTIEYESHIYUNYUJIKUAIBIANRONGBIANFU,TIEYEBIAOMIANRENGYOU1/4~1/5DEGUITIEKUAI,HUOBAONEICHONGRUFAHOUZAIYEMIANSAYICENGGUITIE;TIEYEMIANCHUFUGUI,JIAOZHUDETIEYESIGANGYUNYU,SHUAITUIXIAO;CAOZUOJIANDAN;JIANSHAOPOSUIGONGZUOLIANG;DANKUAIDUYAOHEWENDU、BAORONGLIANGXIANGPEI;YUNYUJIHAOLIANGDA; YUNYUSIYUNYU:BAYUNYUJIBAOZAIKONGXINJINSHUSIZHONG,CAIYONGGAIJINDEHANSIGEILIAOJI,JUNYUNSONGRUZHIJIAODAOHUOJIAOBEIDETIEYEZHONG;YUNYUJIYONGLIANGKEJIANSHAOZHI0.08%YIXIA;YUNYUSINENGZIDONGJUNYUNDIJINRUTIEYE;WUSHUAITUI;YUNYUSIGONGYINGCHENGBENGAO;DOUWEIDINGDIANSHIYONG;YAOQIUKONGZHIXITONGKEKAO;

  TIEYELIUYUNYU:BAYUNYUJIYONGZHONGLIHUOQILIJIADAOJINRUZHUXINGDETIEYELIUZHONG;YUNYUJILIANGNENGJIANZHI0.1%

金巴黎彩票   ;YUNYUJILINENGJUNYUNJINRUTIEYELIU;WUSHUAITUI,XIAOGUOBIBAONEIYUNYUFAYAOHAO,ZUIHAODINGDIANSHIYONG,KONGZHIXITONGYAOKEKAO;

金巴黎彩票   3)、XINGNEIYUNYU:

金巴黎彩票   QUANBUYUNYU:BAYUNYUKUAI(YIDINGKUAIDUHUOCHENGXINGKUAI)FANGZAIJIAOZHUXITONGNEI(GUOLVXINSHANG、ZHIJIAODAODIBUHUOHENGJIAODAONEI)TIEYEJINRUJIUBEIYUNYU;YUNYUJUNYUN,WUSHUAITUI,YUNYUJILIANGKEJIANGZHI0.05%~0.10%;YAOQIUYUNYUKUAINENGLIANXUJUNYUNRONGHUA;YISHENGZHAKONG;YAOXIUGAIJIAOZHUXITONG、JIANGDICHENGPINLV。YIBANZUOFUZHUYUNYUJIYONG,YIYOUCHENGXINGKUAIGONGYING;

  JUBUYUNYU:ZAIZHUXINGJUBUFANGXIAOYUNYUKUAIHUOYUNYUJIFEN;NENGMINGXIANJIANSHAOZHUJIANJUBUCHANSHENGBAIKOU,ZUOFUZHU

  YUNYUYONG。

  5、DIHEJINHUA HUIZHUTIEDEHEJINHUASHITIGAOQILIXUEXINGNENGHESHIYONGXINGNENG、JIESHENGCAILIAODEZHONGYAOTUJING。ZAISHENGCHANSHIJIANZHONG,YECHANGCHANGCAIYONGZAILUQIANTIANJIASHAOLIANGHEJINYUANSUYUYUNYUJISHUXIANGPEIHEDECUOSHI,SHITONGYIJITIE(YUANTIEYE)SHENGCHANCHUBUTONGCHENGFENDETIEYE,YIMANZUBUTONGPAIHAOHUOTONGYIPAIHAOBUTONGBIHOUZHUJIANDEYAOQIU。 DABUFENCHANGYONGHEJINNENGZAIHESHIDEJIARULIANGFANWEINEI,CUJINZHUGUANGTISHENGCHENGBUFENNENGXIHUAZHUGUANGTI、QIANGHUATIESUTI,CONGERTIGAOHUIZHUTIEDEKANGLAQIANGDUHEYINGDU。DANGEYUANSUDEZUOYONGCHENGDUYOUBIE,ZAIHUIZHUTIEZHONGJIARUYIZHONGYISHANGHEJINSHI,TAMENDUIKANGLAQIANGDUDEZONGYINGXIANGKEYILAIGUSUAN。。。

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