ИI(y)ұʾPVC؛ƳƄ(dng)a(chn)I(y)l(f)չ
ů_r(sh)(ji)PVC_ǰЇCO(jin)(hu)(zhn)BƷ_չϩ؛@^䓲؛i؛֮Ї؛Ј(chng)ӭһT±ӹһ(g)ƷNǠ(dng)ԓƷNИI(y)؛I(y)PVC@ӛ߲LȉAИI(y)f(xi)(hu)P(gun)F(xin)؛I(y)؛˾ȶЈ(chng)cߣʾPVC؛ƳƄ(dng)a(chn)I(y)l(f)չЇa(chn)ƷćHr(ji)(qun)λI(y)ЧҎ(gu)܃r(ji)L(fng)U(xin)Ҳܽo؛I(y)µLc(din)
(du)ȉAИI(y)fһ¡
@҂ڽoI(y)Ӗ(xn)ƏVsoҌW(xu)(x)ȉAИI(y)f(xi)(hu)ؕLױʾPVC؛(zhn)н(du)ȉAИI(y)fһ£ИI(y)l(f)չRµęC(j)PVC؛(hu)(du)a(chn)I(y)l(f)չa(chn)eOӰĿǰPVCЈ(chng)ȱټЙ(qun)ąr(ji)PVC؛ƳԞa(chn)ӹI(y)ṩδr(ji)I(y)ƌW(xu)a(chn)NӋ(j)؛Ј(chng)еڱֵ߀ԞI(y)ṩҎ(gu)܃r(ji)(dng)L(fng)U(xin)Ĺ@ЩI(y)(sh)F(xin)(wn)(jng)IИI(y)(sh)F(xin)ɳm(x)l(f)չPVC؛\(yn)гf(hu)Ƅ(dng)a(chn)I(y)l(f)չI(y)(jng)Iһ(g)µA
ױʾĿǰI(y)cPVCğܸһЩI(y)(du)؛Ј(chng)вϤҌ(du)PVC؛J(rn)R(sh)Ҳ(hu)һ(g)^Ҫr(sh)gϤ@һЈ(chng)˲fȉAf(xi)(hu)eOֽ֧PVC؛ڮa(chn)I(y)ƽ鹤I(y)˽ϤúPVC؛@һU(xin)ʹհl(f)]eO(w)I(y)(jng)I(j)˽PVCһ(g)ƷƷNa(chn)M(fi)λͨØ֮֬ףa(chn)Ʒcʯú̿oBcI(y)r(nng)I(y)t(y)еB(yng)ÏVa(chn)Ʒט(bio)(zhn)҃r(ji)(dng)I(y)U(xin)(qing)ҡPVC(du)ڬF(xin)؛I(y)fһ(g)ĺƷN
Їa(chn)ƷćHr(ji)(qun)
PVC؛ϼsڴBƷп^ǡr(sh)ºаl(f)(jng)r(sh)rfPVC(du)(ni)ʯa(chn)I(y)朗lչόl(f)]eOƄ(dng)
r(sh)rʾ20062007еLLDPEPTA؛ƷN(chung)ˡЇa(chn)Ʒr(ji)wϵĵλǏĮa(chn)Ʒa(chn)I(y)朗l^죬ȻܵΉŔӰЇPVCЈ(chng)Y(ji)(gu)Уa(chn)I(y)(jng)Ը^@I(y)ֲVPVC؛Ƴڵ춨ЇPVCr(ji)ԺЧԵĻA(ch)Їa(chn)ƷćHr(ji)(qun)λĶM(jn)һl(f)]؛Ј(chng)(w)(jng)(j)͌(sh)wa(chn)I(y)ăr(ji)ֵ
½I(y)(F(tun))˾Ǯa(chn)λȫĴ;ϩa(chn)̡(j)½I(y)F(tun)Lc˱ʾPVCҪa(chn)Q(mo)ɢؾۼA|Aϵ^(q)½I(y)F(tun)s̎^ƫh(yun)^(q)h(yun)xҪQ(mo)^(q)ϢͨIJɞI(y)ڮa(chn)Nr(ji)^顰^ۡҪ}֮һ؛Ј(chng)ăr(ji)^PVCкI(y)ԏЫ@^(qun)ăr(ji)Ķָ(do)I(y)a(chn)ͽ(jng)I
҇ȫPVCĵһa(chn)ҲM(fi)ćСI(y)ɢa(chn)Q(mo)δγҎ(gu)ģ˴PVC؛@кЇڇHPVCr(ji)ϵġԒZ(qun)c˱ʾI(y)(chung)kʮa(chn)Ʒr(ji)(dng)L(fng)U(xin)ɞI(y)(jng)IҪL(fng)U(xin)֮һPVC؛ЌI(y)L(fng)U(xin)I(y)(g)ИI(y)ķ(wn)a(chn)I(y)҂ǺܚgӭPVC؛@(g)ƷN
؛˾ڷeO(zhn)
؛˾(jng)SZʾPVC؛ƷN֮һ؛Ј(chng)h(yun)ڃr(ji)l(f)F(xin)ܣʹ(g)ИI(y)ָ(do)ԵM(jn)нY(ji)(gu){(dio)һ؛Ј(chng)ıU(xin)tԎI(y)^Ј(chng)AĶ(wn)a(chn)I(y)Y(ji)(gu)ʹ(g)PVCИI(y)ƽ(wn)m(x)İl(f)չϩЈ(chng)ҵăr(ji)׃(dng)P(gun)I(y)؛Ј(chng)U(xin)ߡ
؛˾ؓ(f)؟(z)@(du)ӛ߱ʾ؛˾Ӗ(xn)Y(ji)ȷĜ(zhn)_ʼоˆTٹ˾ԭоϵķP(gun)עPVCһeһ(dng)
I(y)(ni)ʿʾPVCʹÇ(ni)нƷNSͶYxҲԪͬr(sh)SPVCУa(chn)ƷƷNa(chn)I(y)朗lM(jn)һЈ(chng)S̶ȌӭҎ(gu)ģPVC؛˾Ŀ͑YԴU(ku)I(y)(w)Ҏ(gu)ģ(yng)؛˾Ą(chung)ˮƽ