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I(y)Xĺ(jin)

I(y)Xĺ(jin)

I(y)Xĺ(jin)

ժҪSƌW(xu)cg(sh)İl(f)չI(y)Xđ(yng)÷Խ(li)ԽV(du)ڲͬ;ҪXвͬͻW(xu)ԡҪՓ˹I(y)X|(zh)|(zh)W(xu)|(zh)W(xu)ɷVɷa(chn)B(ti)rʯNa(chn)r(ji)񡢺ϳԭˇ;һϵІ(wn)}

P(gun)I~I(y)X|(zh)ɷϳ;

1I(y)Xĺ(jin)鼰|(zh)

1.1 I(y)XĵVɷ֡rʯNa(chn)

Ј(chng)ڵõľXðݠȡԭϞX\V҇(gu) ϡɽ|FݵȵضЃ(yu)|(zh)Ĵ͵\V

Ŀǰ̽XYԴ(ch)s360|Ї(gu)s23|λ[1]XV90%95%ȱӹX^󲿷a(chn)X[2]Hмs10%XضĿȾϺϴ섩ӄ5%һ10%XVĥͻϺմa(chn)ˮӄ[3]҇(gu)X\(ch)OSa(chn)؏SԱɽӱɽ|^(gu)вĺϺ͏VֱϵFݺϡĿǰa(chn)X\ϵҪa(chn)ɽϺF҇(gu)X\ҪVˮXʯ(ˮӲXʯ)ķʯ(ˮܛXʯ)ߎXʯ~DʯɰVMɷ֞3Nͣ(l)ˮXʯߎXʯ[DK](2)ķʯߎXʯ[BK](3)ˮXʯ~Dʯ[DP]ĿǰDK͵\(yng)VDK͵\ϰX֞صһAB[4]

1.2 I(y)X|(zh)

I(y)XҪW(xu)ɷAl2O3ͨ߀SiO2F(xin)e2O3TiO2Na2OMgOCaOH2OҪ󹤘I(y)X^ߵļs|(zh)؄eSiO2(yng)Mܵ҇(gu)ԭұ𹤘I(y)IJC(bio)(zhn)YB 8141975Ҏ(gu)˹I(y)Xļg(sh)lҊ(jin)±(du)Щ΢s|(zh)δҎ(gu)

[5]

|(zh)ͬͨI(y)X֞ɰgͺͷNߵ|(zh)e^](mi)Ї(yn)^(q)NXĽy(tng)һ(bio)(zhn)ɰXw^s80100mϢСџ̶^Ɯp0.8%1.5%Ц- Al2O335%(sh)20%- Al2O3^^ĻXƽs50m,(x)۶ࣨС44mĴ40%ϢǴџضȸߣƜpС0.5%-Al2O370%ܶȴܶȵgͽڶ֮g[5]

1.2.1 XĶྦྷ

XжNwY(ji)(gu)(j)īI(xin)(bo),Цġ˵12NҊ(jin)Ц¡3N,Ц- Al2O3׷Q,(wn)X,(qing)ȺܱͶ,3N͵Ҋ(jin)1

1.3 I(y)X΢^Y(ji)(gu)о

1.3.1 Ʒc(sh)(yn)

1.3.1.1 Ʒ

#ƷǷNֹˇa(chn)ĚXџXa(chn)Ʒ,ĥpָ(sh)42%2#Ʒֹ̼ˇa(chn)ĚXџXa(chn)Ʒ,ĥpָ(sh)18%3#ƷLJ(gu)M(jn)Xa(chn)Ʒ,ĥpָ(sh)12%

1.3.1.2 Y(ji)(gu)΢^ƷƂ䷽

ȡƷ,̼(do)zĘƷ_(ti),򴵵ճY(ji)εwY(ji)(gu)΢^ƷƂ䷽:јƷΌӵطڒ~Ƭ,ͨ^(gu)ʹXwڽ~,Ȼ~ƬǶЙC(j)M(jn)ĥƬF(xin)wуɷNƷJFC-1600xĤxЇͿK

1.3.1.3 Ʒ^

JSM-6360LV͒R,(du)ƷıY(ji)(gu)öM(jn)^,(du)ƷY(ji)(gu)ñɢM(jn)^

 

 

 

 

 

 

 

1.3.2 Y(ji)cӑՓ

D1~D6(g)ƷSEMƬĈD12wı΢^Y(ji)(gu)Nֹˇa(chn)ĚXџXa(chn)Ʒ,ȷֲ^,ξw϶ʌӠ,϶l(f),϶խL(zhng)̲ͬ,^϶гм(x)С,wƬϿ϶еļ(x)Сw,

 

f(shu)϶еļ(x)Сџ^(gu)϶С

φξw϶ʲBm(x)ƌӠֲښXwY(ji)(gu)ٌӠ,(dng)ضߕr(sh),wھwucĚˮӺ،g,Xξw϶ʌӠ(dng)ξw^(80m)r(sh),XÓˮض^,ˮųܵKF(xin)Óˮʹ(D2)a(chn)^϶,ĥp^(gu),w׏Čg,ĥpָ(sh)ܴɈD3,ֹ̼ˇa(chn)ĚXџXa(chn)Ʒ,wɴСͬ^(x)Сξw۶,wY(ji)(gu),ξʷL(zhng),͵ķY(ji)(gu)w϶^ĈD4濴,w϶ؾY(ji)̎ʵ͵ķ,ξw,϶ƌӠD5LJ(gu)M(jn)Xa(chn)Ʒ,w,MwĆξw20m,Ƕ,Y(ji)(gu),ʵ͵ǶY(ji)(gu)w϶](mi)1#2#Ʒ@ɈD6,wھY(ji)̎϶С,@ڽMwĆξ(x)С,,Xџr(sh)Óˮض^,ˮǾľY(ji)̎ξg϶̎Ó,Óˮͨ[6]

1.3.3 Y(ji)Փ

XǚXһضџĮa(chn)Ʒ,XџX^(gu)ǚXY(ji)(gu)ˮÓ^(gu),XwĽY(ji)(gu)α˚XwĽY(ji)(gu),͚ͬXџ^(gu)wY(ji)B(ti)IJͬ,Óˮr(sh)γɵ·ͬNXwξw,Óˮr(sh)ˮHČg,S,ڌgγɴ϶,a(chn)Ʒĥpr(sh),w׏ČgѶa(chn)(x)Сw,ĥpָ(sh)ܴ̼Xwɳξw۶,Óˮr(sh)ˮľgξ(ni)Čg,Óˮͨ@ڷN֘Ʒ϶l(f)@,ĥpr(sh)a(chn)ļ(x)w^,ĥpָ(sh)^С(gu)Xɴ(x)СMɵĸw,ξ^С,w(sh),џXr(sh)Óˮض^,ÓˮͨڲͬܶͨСխ,џa(chn)ˮX϶,ĥpr(sh)a(chn)(x)w,Xĥpָ(sh)С(sh)Ha(chn)Б(yng)ƚXa(chn)ˇ,a(chn)ɴ(x)С۳ɵĚX,Xa(chn)Ʒ|(zh)кܴ[7]

2I(y)XƂ

2.1 ݶa(chn)I(y)X

I(y)XƂðݶ(Aʯҷ)XC[sAl2O3 60%~85%,VMһˮӲXʯ(x Al2O3H2O)]cAʯʯϲ(x)ĥ,ڸߜŸY(ji),ʹXCеһˮӲXʯcA(yng)ˮXc,ԭVSiO2s|(zh)Vtcʯʯֽa(chn)Y(ji)ϳɷ(wn)yܵVXcˮȡ,(jng)xȥyԵĚ?jin)?ͨCO2wʹXcֽⲢX,X(jng)џ̎󼴵õI(y)X - Al2O3- Al2O3Xĵ͜ΑB(ti),Y(ji)(gu),ˮ,ܱAܽ,ܲ(wn),mֱÁ(li)a(chn)Xմ,ɲm(dng)?sh)ӄ?du)- Al2O3M(jn)иߜџ,ʹ- Al2O3D(zhun)׃?yu)? Al2O3@һˇ^(gu)̰S14.3%weտsʹџ^(gu)   - Al2O3a(chn)Xմ,ڮa(chn)Ʒߴƺͱa(chn)Ʒ_(ki)[8]

2.2 úҡƷλXVֱa(chn)I(y)X

2.2.1 ƷλXVxüA(y)̎

úҪW(xu)ɷ֞Al2O3SiO2Fe2O3ԼCaOMgOTiO2,(j)ԭúVͬ, Al2O330%~40%֮gúѽ(jng)^(gu)ߜ,Чɷ־лԿֱAƷλXVһ㲻ֱA,Ҫȼo{(dio)ͽ(jng)^(gu)A(y)s̎,ڸߜؗlM(jn)йY(ji)(yng),ʹõֻ,ʹеAl2O3D(zhun)ܳ͞ɷ,a(chn)[8]

2.2.2 Aس(yng)ֱܳa(chn)I(y)Xg(sh)c(din)

ᷨa(chn)Xһ:a.ԭϵA(y)̎,(sh)rM(jn)ПᷨA(y)̎;b.XD(zhun)Եğo(w)C(j)X};c.X}ἃ;d.X}ķֽ͚Xı;e.Aٺ͉AٵcɹI(y)r(ji)ֵ},,ᷨҪm̎Fo(w)AĹ}V,úƷλXVճߎXúʯ

:úƷλXVAٷ(yng){(dio)pH^(gu)Vֲ뾧ˡ(qing)z(yn)I(y)X[9]

,̎һ(xing)(li)l(f)չ(li)¼g(sh),ĿڏĵƷλVʯβVAl2O3Ļ

ӟٷ(yng)cy(tng)ӟᷴ(yng)ͬ,ɱğ(do),ͨ^(gu)

(ni)ɢ(li)ֱӼӟ,(j)|(zh)(늌(do)Ō(do)늳(sh))IJͬ,Լr(sh)Ч(g)σ(ni)a(chn),Ây(tng)ӟᷴ(yng)ʽo(w)ȔMă(yu)c(din):a.xԼӟ,ٶȿ,ӟЧʸ;b.܉ͬr(sh)M(jn)ͷşᷴ(yng),(du)W(xu)(yng)д߻;c.ӟٷ(yng)?zhn)y(tng)ӟr(sh),ߜػW(xu)(yng)ʮֵ͵ĜضM(jn),ӟٷ(yng)нͻW(xu)(yng)ض,(chung)ğW(xu)l;d.ʹOҺw(ˮҴNAҺ)ӟ,ӟɴM(jn)V܄еܽ,ߝұ^(gu)̵ܳʺͽ^(gu)̵ܺ;e.a(chn)κΚw,ֻ߀ԭ(yng)a(chn)Ěw,ڱo(h);f.Ԅ(dng)

ԲӟىAܳ(yng):Al2O3H2O 2NaOH=2NaAlO2 2H2O˷(yng)ٶ෴(yng),ܳ^(gu)̰²E:Al2O3V汻܄-xNaOHѭh(hun)ĸҺ(rn);OH-ͨ^(gu)U(ku)ɢVU(ku)ɢ;Al2O3VcOH-໥X;Xxͨ^(gu)VɵĔU(ku)ɢ(g)ҺU(ku)ɢԇ(yn),ڷ(yng)ض^͕r(sh),(yng)ɽ滯W(xu)(yng),(dng)(yng)ض^ߕr(sh),tɔU(ku)ɢ|(zh)ͽ滯W(xu)(yng)ͬܳ(yng)֮@,?yn)鲨ݗXAҺwϵr(sh)ʹVa(chn)ᑪ(yng)Ѽy,¶µĵV,˷(yng),ĶڹҺ(yng)M(jn)ͬr(sh),ӟԭϕr(sh)wı挢a(chn),w܇γ^ğጦ(du)Һ,ܔҺ(q)ɢwӵĸFƉco(h)Ĥ,ӿOH-x򷴑(yng)XxҺĔU(ku)ɢ,ҺĽw̎\(yn)(dng)B(ti),ֹ˹ރ(ni)ڵĽY(ji)̡ԭвSiO2wa(chn)Ѽyr(sh)x,ڹ޵ײ˹ˇa(chn)XAl2O3_(d)95%[10]

2.3 I(y)Xԭ̎¹ˇ

I(y)XԭǰɫɢĽY(ji)ĩwSС0.1m áAl2O3wMɵĶξ۷ewƽwСs40~70mÿ(g)Сж_(d)1000 3(g)Сw(ni)ռСwe20һ30%N׵ɽY(ji)(gu)Al2O3wı˴˽|ڟY(ji)ڂy(tng)Xմa(chn)˂ఴ̎ԭ[11]ȌI(y)Xԭ1450~1550ض£2Сr(sh)M(jn)呟ʹáAl2O3D(zhun)Al2O3ˏ(qing)@(g)^(gu)̣һ߀mĵV[12]

H3BO3NH4FAIF3ȣȻٌ呟^(gu)ԭϽ(jng)ĥ48~100Сr(sh)Ϻ}M(jn)ϴFȹˇ^(gu)̣@Ny(tng)ԭ̎ˇh(hun)(ji)࣬L(zhng)M(fi)ô󡣱оּڸM(jn)@NI(y)ԭϵ̎ˇsԭϵ̎ڣͳɱȡĥ󾄟šEʹI(y)Xԭϵ呟ضȽ1100ĥr(sh)gs̵Сr(sh)ϵwСС1mЧ@

2.3.1 r(ji)񼰭h(hun)(hu)Ч

úƷλXVֱᷨa(chn)I(y)XʹùI(y)ϳ}򹤘I(y)a(chn)Ʒ}I(y)ԭ,AɲùI(y)A̼cԭϡa(chn)ɱஔ(dng)Ї(gu)XI(y)˾Y(ji)-ݶ“(lin)Ϸa(chn)I(y)XľCϳɱ(1600~1800Ԫ/t)ԾۺXD(zhun)a(chn),tɱ2200~2500Ԫ/tҡ

ᷨa(chn)a(chn)ĺUջ,Aa(chn)a(chn)кU,ֻ΢,UɼӹɽϵȡúƷλXVܳ͏(qing)]·a(chn),(du)رo(w)@Ⱦ,ϭh(hun)Ҫ

AA“(lin)ֱa(chn)I(y)X,ùwUƷλXVԭ,ȿɽQUŷƷλXVїռø,Ⱦh(hun)Ć(wn)},ֿɽQYԴCÆ(wn)}a(chn)ĹI(y)XԾ҇(gu)I(y)X(yng)oľ,ЗlI(y)D(zhun)a(chn)I(yng)(jng)(j)İl(f)չṩµİl(f)չ֮·a(chn)1.0f(wn)tXú4.0f(wn)~5.0f(wn)tƷλXV3.0f(wn)~4.0f(wn)tӋ(j),a(b)(gu)(ni)60%s1000f(wn)tI(y)XM(jn)ȱ,ķú4000f(wn)~5000f(wn)tƷλXV3000f(wn)~4000f(wn)tHԷú҇(gu)(ni)ŗ2.0|t,ռ0.27f(wn)hm2Ӌ(j),úɹ(ji)s533.33 hm2,ÿhm2ֵ2f(wn)Ԫ,ݔú25Ԫ/tӋ(j),ɞI(y)ֱӽͳɱ12|Ԫ@ӿЧشM(jn)a(chn)úҵȼúI(y)ӴwUľC,ЧM(jn)YԴѭh(hun)[13] 3 Ҫ;

3.1tʯ{(ln)ʯɷݽԞX?yn)s|(zh)ʬF(xin)ͬɫ

{(ln)ʯtF⁶{(ln)ɫ

3.2XVɷFXʯXĺߡI(y)FXʯ(jng)

Bayer processXHall-Heroult processD(zhun)׃?yu)X

3.3Xc՚еⷴ(yng)һܵXĤwڱ¶ڿ՚X

3.4X늺͟(do)w

XľwΑB(ti)?yn)Ӳȸmĥϼи

3.5Xĩɫӷý

20048£(gu)3M˾šĿƌW(xu)_(ki)l(f)XϡԪػϳɵĺϽQtransparent aluminaď(qing)

3.6մ X֞џXͨI(y)XџXa(chn)¹Ŵuı؂ԭI(y)Xta(chn)΢ʯڂy(tng)Xڷ¹Ŵu΢ʯܵЈ(chng)AXҲL(zhng)XմմИI(y)Б(yng)\(yn)--XմһNXҪԭ,Ԅմɲ.ЙC(j)е(qing)ȸ,Ӳȴ,l늓pС,ߜؽ^,ͻW(xu)gԺ͌(do)õȃ(yu)Cϼg(sh)ܵȃ(yu)(sh)[14]

4 (yng)ͻƷN

4.1

Ӳȴĥߜ?z)Y(ji)XQ섂쌚ʯƙC(j)еSл犱е@ʯXҲߜͻͻu쌚ʯXҲǟXԭ͸ߜo(w)ɫ͸߷Q񣬺΢r(ji)t@tɫQtʯr(ji)Fr(ji)Făr(ji)⁵@{(ln)ɫQ{(ln)ʯF@ɫɫQۡ܃xS犱@ʯɰ݆℩

ͻϺ늵Ľ^wɫGĿbÌʯtʯξƼIJȻVa(chn)ÚۻXȡ

XǽXڿ՚вױgԭĽXOc՚еⷴ(yng)һӱXĤwڱ¶ڿ՚XXĤֹܷX^m(x)ﱡĤĺȺ|(zh)ͨ^(gu)һNQ(yng)O̎(yng)O̎^(gu)̵õӏ(qing)

4.2 XV

Al2O3H2OAl2O33H2OXȻڵҪVøߜؚcҺn@ƫXcҺ^(gu)Vȥ?jin)VҺزXw(jng)L(zhng)r(sh)gXcҺ(hu)ֽXx(li)ϴ950-1200Ĝضџ͵õXĩĸҺѭh(hun)ã˷ɊWƌW(xu)ҰݶKJBayer1888l(f)r(sh)ǹI(y)a(chn)XҪ˷Qݶ

4.3ĥX XmڶNɝ̎ˇɌκιĴֲڱĥ(x)(jng)(j)(sh)ݵĥ֮һ@NJǵ˹ϳĥϾЃHڽʯӲmό(du)F|(zh)ȾЇ(yn)Ҫr(sh)ʹֲڵиҲƳʯΌ(du)ߴ羫ܵĹM(jn)̎(li)_(d)O͵ĴֲڶĸܶJ ǽY(ji)(gu)Ŀǰٵиĥ֮һ

 

Xͨ^(gu)۸|(zh)\V(li)؄|(zh)X}Á(li)a(chn)ۄͰׄȻwY(ji)(gu)ʹӲȸиܿͬr(sh)(jng)̽Y(ji)ĥߺͿ

ĥߵԭϡ Xɶѭh(hun)ѭh(hun)Δ(sh)Ͳϵȼ(j)wˇ^(gu)P(gun)(sh)(bio)(zhn)ĥχɰO(sh)ʹmùI(y)պI(y)܇I(y)M(fi)ƷӹT/TOEMN̡댧(do)wI(y)ȲͬI(lng)mùˇ僡ԺͿbķϩǰA(y)̎XͺϽƷȥëȥ偹ģهɰǰA(y)̎ĥ͝ĥܹW(xu)䣻V|(zh);wĥ̺ӄ 5 Gt(yng)

Xѭh(hun)vtѭh(hun)vt(g)bͻϹӋ(j)762tҪНעϡͻu}XwSͻԼ̶ͻϵ^̼

1.ͻͻעϹӋ(j)351tһ(j) sͲsC(j)йܵvt²L(fng)ͲFwpӻӡͻu269tҪڷvtѭh(hun)L(fng)Ͳ(j)L(fng)x(j)Լ(j)vtšc(din)Ͳͬš(sh)rlͻϵķNӔ(sh)ͬ(j)ʹÜضȡ|(zh)йˇܵM(jn)p|(zh)|(zh)עãҪO(sh)(ni)rý^ᣫᣫͻuĹʹͻϹ(ji)Ч

2.ͻϸͻp|(zh)עϡp|(zh)u}ͻwSעҪsC(j)sL(fng)Ͳһ(j)(j)ҪO(sh)픲йܵ͟شuشu41.76tҪsC(j)һ(j) Ͷ(j)L(fng)x }}干97.5m350mm30mmɷNҎ(gu)Ҫڷvtѭh(hun)L(fng)ͲsL(fng)Ͳһ(j)ͻwSͻwS2.5t֞̺ҪÛps(ji)֧ܺԼNˇ܇^̼^̼ǃ(ni)rҪMɲʹ(ni)rctι̵ؽY(ji)ϡ^̼ķֲctͻϵ|(zh)trʹòλxõ^̼ΠP(gun)15N͡40NҎ(gu)s3000kg^̼ϵy(tng)

(du)trđ(yng)ֲÛsᑪ(yng)ľL(zhng)trP(gun)Ҫ[15] 6 ͻ|(zh)

X͸ߜߏ(qing)Ӳȴ󡢿늽^͸gԵܡطNͻϣ(yng)ØOVдԵ;£

1.͸ߜء͸gߏ(qing)ȵa(chn)Ļ(dng)lұ߼ٻL(zhng)ξõԼNߜظGtĽY(ji)(gu)tǻtܣ󡢺͟ΌͿӡz

2.Ӳȴ͏(qing)ȸߵc(din)C(j)е㲿NģߣνzģDUPоģȣĥĥϡb׷o(h)wP(gun)(ji)ȡ

3.ߜؽ^ż׽zܺͱo(h)ԭӷ(yng)еĽ^ԼNߜؽ^

4.䃞(yu)ĽӹI(y)N·⚤_(d)쾀ֵ

SXƷXпXwSߜظϺ(qing)XξԭxS롢SbƷȣ͸XƷ΢XǸc(din)боһN.ԭϲSsռؚ25%r(ji)Ҿж෽ă(yu)|(zh)ɞһNʹVXͻ[16]

īI(xin)

[1] w.Ї(gu)XVYԴXa(chn)g(sh)r͸.Va(chn)o(h)c[J]20011052224.

[2] Mohammad Zarbayani,Esmaeil Jorjani,Mrisaleh Mirmoham-madi,etal.Mineralogical and sink-float studies of Jajarm low-grade bauxite[J].International Journal of Minerals,Metallurgy and Materials.2010,17(3):251256

[3] Svͺh(yun)L(zhng).XVxV.(gu)ٵVxV[J]2011(2):34

37

[4] СK.X\ĽMɺ͹ˇо[J].ɽմ2012(3):5658

[5] ƽ(yng) .ͻ. ұ𹤘I(y)磬1999

[6] @΢W(xu)(bo) J. Chin. Electr. Microsc. Soc. 25()179~180 2006

[7] ұ,w,SI(y)X΢^Y(ji)(gu)о[J]Ї(gu)XI(y)ɷ޹˾оԺ,45004,2010

[8] ÿ,S,.ú΢xȡcӹijо[J].2003(8):14-16.

[9] ,S,.΢µĽY(ji)^(gu)̷[J].Vcӹ,2002,(11):7-12.

[10] ÿ,,,?gu)?qing),ϑ,SúҡƷλXVֱa(chn)I(y)X[J]20064

[11] AϹW(xu)ԺطNɡ719(1979)

[12] W(xu)մɡ6263(1979)

[13] ܊ѩI(y)XۼƷ|(zh){(dio)[J]Kʡմоd2142211998.04.15

[14] ϺƼW(xu) . մɹˇA(ch) . ϺϺ1977

[15] . طNͻ .ұ𹤘I(y)1982

[16] ^Ѧ . ߠtв?j)?ni)rͻϵx . ͻϣ1995,2929497

׿o(w)C(j)2012

12£

r(sh)ˇ345

 

 

Aڭh(hun)Ƽ޹˾ɽ(ni)дџX\ИI(y)I(y)(j)Kџͷ۠(x)32580010001250Ŀ a(chn)50-500ÿa(chn)ɼg(sh)D(zhun)׌ɳO(sh)䣬a(chn)Ʒ

Aڭh(hun)Ƽ޹˾I(y)YԴߎXИI(y)a(chn)ĻD(zhun)G\(yn)D(zhun)ʿ10%a(chn)5%10%ܺĽ20%a(chn)_(d)50-500t/dӹ(ji)ܭh(hun)󣬿ֱԃ18637113703(΢̖ͬ(ho))Aڭh(hun)Ƽ˾\(chng)(w)Sr(sh)gӭǰ(li)^!

I(y)ۺ(w)
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2(dng)͑†ԺAڼg(sh)̎Ҫȥ͑F(xin)(chng)̽Ԕ(x)š̲ÈDԼA(ch)D
3҂Sr(sh)ņTҕl͸M(jn)͑O(sh)a(chn)M(jn)ȣ(yn)O(sh)
4O(sh)Sǰ҂(hu)ԇC(j)\(yn)24Сr(sh)ṩԔ(x)ęzy(c)(bo)SͬO(sh)xl(f)؛
5O(sh)䵽_(d)F(xin)(chng)҂M(fi)ۺ󹤳̎_(d)F(xin)(chng)ؓ(f)؟(z)͑b{(dio)ԇֱO(sh)a(chn)ؓ(f)؟(z)Ӗ(xn)ˆT͑ȫa(chn)ɻع˾

 


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