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13320012663

阻垢缓蚀剂和缓蚀阻垢剂的区别

作者:kefu 发表时间:2017-07-26   11:00:47

1,GUISUANYANSHIJICHUDELVHUANSHIJI,DANZAINIDEXUNHUANSHUIZHONGSHIJIANZHANGHUICHUXIANXUZHUANGWU,ZHUYAOSHISHUIJIEZAOCHENGDE。ERQIEDANDUDEGUISUANNAJIANXINGGUOGAO,BINGBUSHIDUISUOYOULVDOUHUIHAODEXIAOGUO,NONGDULVEGAOSHIJIUHUICHUXIANBIAOMIANDEJIEJING。 2,DUIYULVHUANSHIJI,GERENJIANYIHAISHIMAIYIXIECHENGSHUDETIANJIAJI,YOUQISHISHEBEISHANGSHIYONG,ERQIENIDECHANPINBUDANSHILVDEHUANSHI,HAISHEJIDAOGANGTONG,ZHEIJIUXUYAOHUANSHIJIDEFUPEILE,DANTIHENNANDADAOHENHAODEXIAOGUO.

YIYANGDE,QISHIHENDUODOUYIYANG,ZHISHIYOUXIEGONGSIJIUYUANYIZHEIYANGZUO,HUANSHIZUGOUJIHEZUGOUHUANSHIJIYIYANGSHIHUANSHIYUANLIJIAZUGOUYUANLI,WUFEISHIMEIGECHANGJIADEPEIFANGBUYIYANGBA?LIRUHUANSHIYUANLI:

1  HUANSHIJIDEFENLEI

  HUANSHIJIDEYINGYONGGUANGFAN,ZHONGLEIFANDUO,FENLEIFANGFAYEJIAODUO,RENMENCHANGCHANGCONGBUTONGDEJIAODUDUIHUANSHIJIJINXINGFENLEI,CHANGJIANDEFENLEIFANGFAYOU:

意甲下注网站  1) GENJUHUAXUEZUCHENGFENLEI[1 ] . ANZHAOGOUCHENGHUANSHIJIDEWUZHISHIWUJIHUAHEWUHAISHIYOUJIHUAHEWUKEFENWEIWUJIHUANSHIJIHEYOUJIHUANSHIJI.

意甲下注网站  2) GENJUSUOYIZHIDEDIANJIGUOCHENGFENLEI. ANZHAOHUANSHIJIZAIDIANHUAXUEFUSHIGUOCHENGZHONGYIZHIDEDIANJIFANYINGSHIYANGJIFANYINGHAISHIYINJIFANYINGHUOLIANGZHEJIANERYOUZHI,HUANSHIJIKEFENWEIYANGJIXINGHUANSHIJI,YINJIXINGHUANSHIJIHUOHUNHEXINGHUANSHIJI.

  YIBANLAISHUO,YANGJIXINGHUANSHIJISHIJINSHUDEFUSHIDIANWEIEcXIANGZHENGDEFANGXIANGYIDONG,YINJIXINGHUANSHIJISHIJINSHUDEFUSHIDIANWEIEcXIANGFUDEFANGXIANGYIDONG; ERHUNHEXINGHUANSHIJIZEDUIFUSHIDIANWEIEcDEYINGXIANGJIAOXIAO,GUFUSHIDIANWEIDEYIDONGHENXIAOHUOMEIYOUYIDONG.

意甲下注网站  3) GENJUSUOSHENGCHENGBAOHUMODELEIXINGFENLEI[2 ] . ANZHAOHUANSHIJIZAIBAOHUJINSHUGUOCHENGZHONGSUOXINGCHENGDEBAOHUMODELEIXING,HUANSHIJIKEYIFENWEIDUNHUAMOXINGHUANSHIJI、CHENDIANMOXINGHUANSHIJIHEXIFUMOXINGHUANSHIJI. QIZHONGCHENDIANMOXINGHUANSHIJIYOUFENWEISHUIZHONGLIZIXINGHEJINSHULIZIXINGLIANGZHONG.

2  HUANSHIJIZAIJINSHUBIAOMIANXINGCHENGBAOHUMODEJILIFENXI

2. 1  DUNHUAMOXINGHUANSHIJI

  DUNHUAMOXINGHUANSHIJIJIANCHENGDUNHUAJI,WEIWUJIQIANGYANGHUAJI[3 ] .RUGESUANYAN、YAXIAOSUANYAN、MUSUANYANHEWUSUANYANDENG. ZAIFANYINGZHONGBIJIAORONGYIBEIHAIYUANDEQIANGYANGHUAJICAINENGZUODUNHUAJI. YIGESUANYANWEILI,GESUANYANBAOKUOGESUAN(H2CrO4) HEZHONGGESUAN(H2Cr2O7) DEKERONGXINGYAN,RUNa2Cr2O7 、Na2CrO4 、K2Cr2O7 、(NH4) 2CrO4 DENG,

意甲下注网站FENZIJIEGOUZHONGGEWEIZHENGLIUJIA. GESUANYANHEZHONGGESUANYANKEYIYIRENHEBILIHUNHEERBUYINGXIANGHUANSHIXIAOGUO,SUOYIYIBANTONGCHENGWEIGESUANYAN.

  GESUANYANYOUHENQIANGDEYANGHUANENGLI,FASHENGYANGHUAFANYINGSHICr6 +HAIYUANWEICr3 + . GESUANYANZAIJIAOGAONONGDUSHISHISHIFENYOUXIAODEYANGJIDUNHUAJI. GESUANYANDUITANGANGDEDUNHUAYUTANGANGZAIH2SO4 ZHONGDEDIANWEIJIHUAXIANGSI,DUNHUASHITIEBIAOMIANFASHENGDEFANYINGWEI:

  Cr2O72 - + 8H+ + 6e →Cr2O3 + 4H2O

  FANYINGSHIBEIHAIYUANDEGESUANYANYICr2O3 DEXINGTAIXIFUZAITIEDEBIAOMIANHETIEBIAOMIANTONGSHISHENGCHENGDEFe2O3 GONGTONGZUCHENGDUNHUAMO,FANYINGWEI: 2Fe + 3H2O →Fe2O3 + 6H+ + 6e

  YONGGESUANYANDUNHUADETIEDEBIAOMIANNEICENGDUNHUAMO,CHONGFENTUOSHUI,JIEGOUZHIMI,FANGFUXINGNENGHAO. ERQITAHUANSHIJICHULITIEDOUWUFAYONGYOUZHEIYANGDEMO,SHENZHIYONGKMnO4 QIANGYANGHUAJIYEBUNENGDADAOGESUANYANDUNHUATIEDENEIZHONGCHENGDU.

  GESUANYANDEYOUDIANSHI:TABUJINDUIGANGTIE,ERQIEDUITONG、XIN、LVJIQIHEJINDOUNENGJIYULIANGHAODEBAOHU;SHIYONGDEpH ZHIFANWEIHENKUAN(pH = 6~11) ;HUANSHIXIAOGUOTEBIEHAO,SHIYONGGESUANYANZUOHUANSHIJISHI,TANGANGDEFUSHISUDUKEDIYU0. 025 mm/ NIAN. GESUANYANDEQUEDIANSHI:DUXINGDA,HUANJINGBAOHUBUMENDUIGESUANYANDEPAIFANGYOUYANGEDEYAOQIU;RONGYIBEIHAIYUANERSHIXIAO,BUYIYONGYUYOUHAIYUANXINGWUZHI(LIRULIUHUAQING) XIELUDELIANYOUCHANGDELENGQUEXITONGZHONG.

意甲下注网站2. 2  CHENDIANMOXINGHUANSHIJI

意甲下注网站SHUIZHONGLIZIXINGHUANSHIJIFENXIYIJULINSUANYANWEILI,JULINSUANYANSHIMUQIANSHIYONG*GUANGFAN、*JINGJIDELENGQUESHUIHUANSHIJIZHIYI. CHULEJUYOULIANGHAODEHUANSHIXINGNENGWAI,JULINSUANYANHAISHIYOULIANGDEZUGOUJI,KEZUZHISHUIZHONGTANSUANGAIHELIUSUANGAIJIEGOU. *CHANGYONGDEJULINSUANYANSHILIUPIANLINSUANNAHESANJULINSUANNA. TAMENSHIYIXIEXIANXINGWUJIJUHEWU.JULINSUANYANJUYOUQIANGBIAOMIANHUOXING,QIFENZIJIEGOUZHONGDEP O JINENGRONGYITIGONGDIANZIDUIJIJUYOUKONGGUIDAODEJINSHU,LAOLAODIXIFUZAIJINSHUSHANG. JULINSUANYANDEHUANSHI、ZUGOUXINGNENGDOUHETADEBIAOMIANHUOXINGYOUGUAN. JULINSUANYANJUYOUYANGJIJIHUAHEYINJIJIHUASHUANGZHONGHUANSHIXINGNENG.

意甲下注网站  JULINSUANYANSHIYIZHONGFEIYANGHUAXINGDEDUNHUAJI. JULINSUANYANJIARUSHUIZHONGZHIHOU,HENRONGYIXIFUZAIJINSHUBIAOMIANSHANG,BINGQIEZHIHUANCHUXIFUZAIJINSHUBIAOMIANDEYIBUFENH+ HEH2O FENZI,JIANGDILERONGJIEYANGHEH+ JIH2O FANYINGDEKENENGXING. ERQIE,TASHIRONGJIEYANGGENGRONGYIXIFUZAIJINSHUBIAOMIAN. DANGZULIANGDEYANGXIFUZAIJINSHUBIAOMIANSHI,YANGSHIJINSHUBIAOMIANDUNHUA,SUOYI,JULINSUANYAN**ZAIRONGJIEYANGCUNZAITIAOJIANXIACAINENGBIAOXIANCHUYANGJIJIHUADEHUANSHIXINGNENG. JULINSUANYANHESHUIZHONGCUNZAIDEERJIAJINSHULIZIRUTIE、GAI、XINDENGJIEHE,ZAIJINSHUBIAOMIANXINGCHENGYICENGCHENJIWUMO,QIYINJIJIHUAZUOYONG,YIZHIJINSHUDEFUSHI,SUOYIJULINSUANYANYOUSHIYINJIXINGHUANSHIJI. JULINSUANYANDEBIAOMIANHUOXINGSHITAJUYOUQINGXIJINSHUBIAOMIANDENENGLI. ZAILENGQUESHUIXITONGKAIGONGSHIKEYIYONGTADUIXITONGJINXING**DEQINGXI. RUGUOXITONGDEWUGOUBUYANZHONG,JULINSUANYANNENGZHUJIANDEJIANGWUGOUQINGXICHUQU. ZHUJIANJIANLIWANZHENGDEFUSHIKONGZHI,TADUIYUKONGZHIDIANSHIHELIUZHUANGHUOJIEJIEZHUANGDEFUSHITEBIEYOUXIAO.

意甲下注网站  JULINSUANYANZAIJIANXINGTIAOJIANXIA,XINGCHENGLINSUANGAIGOUDEWEIXIANHENDA. SHIYONGJULINSUANYANSHI,RUXITONGZHONGZHIYOUGANGTIECAILIAO,SHUIZHONGDEpHZHIZAI5. 0~7. 0 WEIYI. RUXITONGZHONGCUNZAITONGHETONGHEJIN,DIpHZHIYISHITONGSHOUDAOFUSHI,SHUIZHONGDEpH ZHIYINGYANGEKONGZHIZAI6. 7~7. 0 HUOTIANJIATONGHUANSHIJIBINGJIANGDIpH ZHI,YIBIMIANSHENGCHENGLINSUANGAIGOU. pH ZHIGAOYU8 ,BUDANHUICHANSHENGLINSUANYANGOU,TONGSHIYEHUIFASHENGJUBUDEFUSHI. HAIYOULINSUANYANHANLIN,SHIWEISHENGWUSHENGZHANGFANZHIDEYANGLIAO,ZAISHUIZHONGJULINSUANYANHUIBEIXUDUODEWEISHENGWUFENJIEERJIANGDIHUANSHIXINGNENG,YEHUIJUBUFUSHIBINGZAOCHENGWEISHENGWUWURAN.

    JINSHULIZIXINGHUANSHIJIFENXIYITONGHUANSHIJIWEILI[4 ] ,DANGSHEBEIYONGTONGHETONGHEJINZHIZAOSHI,CUNZAIYIZHONGTESHUDEFUSHIWENTI:BEIFUSHIERCHANSHENGDETONGLIZIHENRONGYIHEJIAOHUOPODEJINSHU,RUTIEHELVDENGFASHENGRUXIAFANYING:

  Fe + Cu2 + →Cu + Fe2 +

  2Al + 3Cu2 + →2Al3 + + 3Cu

TONGLIZIJINGHAIYUANERSHENGCHENGDEJINSHUTONGBIANCHENJIZAIHUOPOJINSHUSHANGMIAN,TONGZUOWEIYINJI,HUOPOJINSHUWEIYANGJI,GOUCHENGFUSHIDIANCHI. YOUYUTONGDEDIANWEIJIAODI(EoYANGHUA= - 0. 337 V) ,FUSHIDIANCHIDEDIANDONGSHIHENDA,HUISHIHUOPOJINSHUSHOUDAOYANZHONGDE、CHUANTOUSUDUHENKUAIDEFUSHI. TONGHETONGHEJINCHANSHENGDETONGLIZI,HAIHUIBEISHUIDAIDAOHENYUANDEDIFANGCHENJIXIALAIERYINQIFUSHI. JIANGSHUIZHONGDETONGLIZINONGDUKONGZHIZAI0. 1 mg/ L YIXIAKEYIFANGZHIZHEIZHONGFUSHI,LENGQUESHUIXITONGSUOSHIYONG

意甲下注网站DEHUANSHIJI,DADUOSHUDOUNENGYIZHITONGSHOUDAOFUSHI,DANJIANGSHUIZHONGDELIZINONGDUKONGZHIZAI0. 1 mg/ L YIXIA,YAOZAIZHONGXINGHEJIANXINGSHUIZHONGCAINENGSHIXIAN. YINCI,SHIYONGYOUTONGHETONGHEJINCAILIAODELENGQUESHUIDEpHZHI**KONGZHIZAI6. 5 YISHANG. XIAMIANJIESHAOJIZHONGZHONGYAODETONGHUANSHIJI:

1)β—SHUJIBENBINGSAIZUO(MBT) [5 ,6 ] (Mercaptobenzoth2iazole) ,QIJIEGOUSHIWEI: 

DUIYUTONGHETONGHEJIN,β—SHUJIBENBINGSAIZUOSHIYIZHONGTEBIEYOULIANGDEHUANSHIJI,TAZAIDINONGDUSHI(LIRU2 mg/ L) JIUNENGJIANGTONGHETONGHEJINDEFUSHISUDUJIANGDEHENDI. TONGDEBIAOMIANDUIβ—SHUJIBENBINGSAIZUOYOUHENQIANGDEHUAXUEXIFUZUOYONG,XIFUZAITONGBIAOMIANDEβ—SHUJIBENBINGSAIZUOANYIDINGDEFANGSHIPAILIE,JIANGFUSHIWUZHIGEKAI,BINGQIEZUZHITONGBIANWEITONGLIZIJINRUSHUIZHONGERYINQIFUSHI.β—SHUJIBENBINGSAIZUODUITONGCHENJIZAITIEHELVDENGHUOPOJINSHUSHANGERYINQIDEDIANOUFUSHIDEYIZHIYEHENYOUXIAO. β—SHUJIBENBINGSAIZUODEYOUDIANSHI: (1) DUITONGHETONGHEJINDEFUSHIKONGZHIBIJIAOYOUXIAO; (2) YONGLIANGSHAO. TADEQUEDIANSHI:YIBEIYANGHUAERSHIXIAO,SUOYIYINGBIMIANHEYANGHUAJIXINGDEHUANSHIJIYIQISHIYONG;DUILVHELVANHENMINGAN,YEYIBEITAMENYANGHUA.

2) 1 ,2 ,3 —BENBINGSANZUO(BTA) (Benzotriazole) ,JIEGOUSHIWEI

1 ,2 ,3 —BENBINGSANZUOSHIYIZHONGHENYOUXIAODETONGHETONGHEJINHUANSHIJI.TADUITONGDEHUANSHIZUOYONGYUMBTXIANGSI:TONGDEBIAOMIANDUIBENBINGSANZUOHUOBENBINGSANZUOYUTONGLIZIDEAOHEWUYOUQIANGLIEDEHUAXUEXIFUZUOYONG,ZAITONGBIAOMIANXINGCHENGFANGFUPINGMU,FANGZHIFUSHIXINGWUZHIYUTONGJIECHU,YOUZUZHITONGJINRUSHUIZHONGCHENGWEITONGLIZI. SUOYITABUDANNENGYIZHIJINSHUJITISHANGDETONGRONGJIEJINRUSHUIZHONG,ERQIEHAINENGSHIJINRUSHUIZHONGDETONGLIZIDUNHUA,FANGZHITONGZAIGANG、LV、XINJIDUXINTIEDENGJINSHUSHANGDECHENJIHEHUANGTONGDETUOXIN. CIWAI,1 ,2 ,3 —BENBINGSANZUODUITIE、GE、XIN、XIYEYOUHUANSHIZUOYONG. TADESHIYONGNONGDUBIMBT HAIDI,ZHIYAO1 mg/ L JIUNENGJIANLIDUITONGHETONGHEJINDELIANGHAOBAOHU,SHIYONGSHIDEpH ZHIFANWEIWEI5. 5~10 ,NONGDUBUBISUIpH ZHIERDIAOZHENG.1 ,2 ,3 —BENBINGSANZUODEKANGYANGHUANENGLIQIANG,BUHUIYINJIALVERZAODAOPOHUAI. SUIRANLVHUIYUTASHENGCHENGBUWENDINGDEHUAHEWU,SHITADUITONGDEBAOHUZUOYONGJIANRUO. 1 ,2 ,3 —BENBINGSANZUODEYOUDIANSHI:DUITONGHETONGHEJINDEHUANSHIXIAOGUOHAO;GENGNENGNAISHOULVDEYANGHUAZUOYONG. TADEQUEDIANSHIJIAGEJIAOGAO.

 3) LIUSUANYATIE:LIUSUANYATIESHITEBIEDEHUANSHIJI,CHANGZUOWEIHAISHUI、QITAXIANSHUIHUOZHILIULENGQUEXITONGZHONGDETONGHETONGHEJINDEHUANSHIJI. YONGHAISHUIZUOLENGQUESHUIDETONGHUANREQI,JIAYILIUSUANYATIESHITONGGUANNEIBIYICENGHANYOUTIEHUAHEWUDEBAOHUMO,SHENZHIKEYIHOUDA0. 0762 mm ,YOUXIAODIYIZHITONGSHOUDAODEFUSHI,TEBIESHISHUILIUCHONGSHUAYINQIDEFUSHI. ZHEIYIGUOCHENGCHENGWEILIUSUANYATIEZAOMOCHULI.

  LIUSUANYATIEDEYOUDIANSHI:JIAGEBIANYI,YONGLIANGSHAO;WURANJIAOQING.TADEQUEDIANSHI:ZAOMOJISHUJIAOWEIFUZA;LENGQUESHUIZHONGHANYOULIUHUAQINGHUOQITAHAIYUANXINGWUZHI,QIEWURANHENYANZHONGSHI,LIUSUANYATIEZAOMOWUXIAO.

意甲下注网站2. 3  XIFUMOXINGHUANSHIJI

意甲下注网站  XIFUMOXINGHUANSHIJIRUYOUJIAN、MUZHISULEI、PUTAOTANGSUANYANDENG. YIYOUJIANWEILI,YOUJIANSHIYONGZUOLENGQUESHUIXITONGDEXIFUMOJI,ZHEIZHONGYOUJIANYOUCHENGWEIMOAN,ZHUYAOZHIC10~C20DELIANZHUANGZHIFANGZUAN. RUC16 H33NH2 、(C16 H33 ) 2NH、C18 H37NH2 、(C18H37) 2NH. TAMENZHIZAORONGYI,HUANSHIXINGNENGJIAOHAO,SUOYIYINGYONGYEJIAOGUANG. ANJIQIYANSHENGWUYEJUYOUJIAOHAODEHUANSHIXINGNENG. YOUJIANFENZIZHONGDEQINSHUIJITUANWEI—NH2 HENH ,QINYOUJITUANWEIWANJI. YOUJIANTOUJIADAOSHUIZHONGHOU,ANJI(QINSHUIJI) XIFUZAIJINSHUBIAOMIAN,WANJI(QINYOUJI) CHAOWAI(FUSHIHUANJING) . JINSHUBIAOMIANDOUXIFULEYOUJIANHOU,JIUXINGCHENGYICENGXIFUMO. XIFUMOZHONGDEWANJIFAHUIZHEBIZUOYONG. ZUZHISHUI、LVLIZIHEYANGDENGFUSHIXINGWUZHIHEJINSHUJIECHU,QIDAOFANGZHIJINSHUFUSHIDEZUOYONG. YOUYUANJINENGWENGUDIXIFUZAIJINSHUBIAOMIAN,GUKEFANGZHISHUILIUSUDUIXIFUMODEPOHUAIZUOYONG. YOUJIANNENGTOUGUOJINSHUBIAOMIANSHANGYICUNZAIDEFUSHICHANWUHUOWUGOUMIANERZHUJIANZAIJINSHUBIAOMIANXINGCHENGBAOHUMO. YINCI,YOUJIANBUJINKEYIYONGYUBIJIAOQINGJIEDEXITONG. ERQIEKEYONGZAIYIYUNZHUANYIDUANSHIJIANQIECUNZAIYIXIEFUSHIHEWUGOUDEXITONG. YOUJIANZAISHENTOUCHUANGUOFUSHICHANWUHEWUGOUBINGZAIJINSHUBIAOMIANFUZHEDEGUOCHENGZHONG,NENGSHIZHEIXIEWUGOUHEFUSHICHANWUXIANGHUDEJIEHESONGCHI,YUJINSHUBIAOMIANDEZHANJULIXIAJIANG,SHITAMENZHUJIANTUOLUOERBEISHUICHONGZOU. YOUYUYOUJIANYOUXIANGDANGHAODEQINGXIJINSHUBIAOMIANDENENGLI,SUOYIZAIWUGOUBIJIAODUODEXITONGZHONGSHIYONGYOUJIANSHI,YAOZHUJIANJIARU,BINGMANMANZENGJIAQINONGDU,YIMIANBOLUOXIALAIDEWUGOUTAIDUO,ZAOCHENGREJIAOHUANQIGUANZIDUSAI.

 C16H33NH2 、(C16H33) 2NH、C18H2 ,NH2 、(C18H37) 2NH

意甲下注网站DENGYOUJIANZHIYAOJIA2 %ZUOYOUYULENGQUESHUIZHONG,JIUKEJUNYUNKUOSANDAOGEGEJIAOLUO. QISHINONGDUYOU20 mg/ L~50 mg/ L FENPITOURU,DAIYOUJIANZAIJINSHUBIAOMIANXINGCHENGDANFENZIMOHOU,JIUXIAOHAOJIAOSHAO,ZHIYAOBUCHONGSUNSHILIANGJIKE. YOUJIANDEMOXIANGDANGLAOGU,CHENGMOHOUZAILENGQUESHUIZHONGWEICHIJIGEmg/ L JIKE,DUANSHIJIANTINGZHITOUYAOHUOSHUIZHONGYOUJIANNONGDUJIANGDAOLINGYEBUHUIYINQIDUODABIANHUA,FAXIANHOUJISHITOUYAOJIUKEYI. YOUJIANDEHUANSHIXIAOGUOXIANGDANGHAO. ZAIYIBANDELENGQUESHUIXITONGSHIYONG,QIHUANSHILVKEDA90 %YISHANG,JINGCHANGSHOUCHONGSHUAHEQINSHIDEQUYUYUEWEI50 %. DANDUSHIYONGYOUJIANDEFANGFUXIAOGUOHAO,RUZAIHEQITAHUANSHIJIYIQISHIYONG,FANGFUSHIXIAOGUOZEGENGJIA. DANYOUJIANDEFANGFUSHIXINGNENGSHOUYANLIANGDEYINGXIANGJIAODA. ZAIHANYANGAODESHUIZHONG,DANTIANDEKUOSANJIAOKUNNAN,FANGFUSHINENGLIXIAJIANG,ZAIHAISHUIZHONGTOUJIA50 mg/ L DEANDUITANGANGDEHUANSHILVJINYOU35 %~60 % ,ZENGJIAANDENONGDUZHI200 mg/ L ,HUANSHILVYEZHIYOU60 %

~80 %.

  YOUJIANDEYOUDIANSHI:HUANSHIXIAOGUOHAO;KANGLVXINGNENGLIANGHAO,JIALVSHAJUNBUHUIYINGXIANGYOUJIANDEFANGHUZUOYONG. TADEQUEDIANSHI:SHOUYANLIANGDEYINGXIANGJIAODA;JIAGEANGGUI,CHULIFEIYONGGAO,JINGJISHANGBUHESUAN.



 

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