(gu)(ni)PVCЈ(chng)ʎС331A|ʯPVCSG-5r(ji)8630~8880Ԫ(r(ji)ͬ)^һǰϝq135~225Ԫ
PVCbмЙzA(y)u֏(f)(gu)(ni)wƫ(qing)֮Ј(chng)(wn)A(y)Ӌ(j)PVCr(ji)8400~8800Ԫλʎ(chung)YӍPVCڽзJ(rn)
ɱе֧
ڇ(gu)(ni)PVCЈ(chng)ϝqҪǿԭʯ(dng)Ј(chng)q£3Ѯʯr(ji)_(d)˚vʷλ5000Ԫλr(ji)(do)Q(mo)Y؛^֔(jn)320_ʼĵȵʯSr(ji)F(xin)50~200Ԫµ4·ܺĹܿȜpA(y)Ӌ(j)(yng)u֏(f)gʯЈ(chng)ʎ{(dio)¡YӍʯӢf(shu)
^(gu)ʯҪɱM(fi)(du)̶˿ܺģ(ni)ɹŞm첼˹ȵؾ(sh)в̶ͬA(y)Ӌ(j)ʯr(ji){(dio)gͬr(sh)̼кͱ(ni)ɹʯa(chn)Ͷa(chn)Ӌ(j)tڃ(ni)](mi)a(chn)ͶԌ(du)PVCИI(y)(li)f(shu)(li)ԭ϶˵ijɱ֧Ȼ^(qing)
Sȥ(k)څ(sh)
LJ(gu)(ni)PVCbüЙzI(y)m(x)_(ti)4·ݙzӋ(j)PVC(yng)A(y)ڜp١ͬr(sh)u֏(f)(k)泬A(y)ڸơ
҇(gu)PVCI(y)(sh)ڱڶ⺮䲻ڙzޣԏȥ11·ԺPVCbһֱ82%ؓ(f)\(yn)O(sh)Љ̎ڸλSD(zhun)ů߂O(sh)zlԼzıҪڽf(shu)
(j)(chung)YӍy(tng)Ӌ(j)4·ʯPVCzӋ(j)?rn)zbɽ|Űl(f)()45f(wn)/báϺ(yng)22f(wn)/b|\Ƽ6f(wn)/bA62f(wn)/báͶұS^(q)12f(wn)/b̩30f(wn)/bɽ|̩ɽ}10f(wn)/b4~5ҲӋ(j)?rn)zޡ
PVC(li)ĿǰИI(y)_ƷI(y)֏(f)ˮƽСI(y)_һڳɱ_ʼُ(gu)^(gu)(du)ԭPVCƷqr(ji)L(zhng)һc(din)еĿܳm(x)3(g)»߸L(zhng)r(sh)g¡YӍPVCssf(shu)
(k)ǹ販ĽY(ji)ֱwF(xin)¡YӍ(sh)(j)@ʾPVC(hu)}(cng)(k)31.34f(wn)h(hun)Ȝp7.44%ͬȜp40.42%УA|^(q)h(hun)Ȝp3.97%ͬȜp31.28%;Aϵ^(q)h(hun)Ȝp14.69%ͬȜp54.61%w(li)(hu)(k)ܳɽƫӰ푣Sȥ(k)څ(sh)
Ј(chng)(wn)
(j)P(gun)y(tng)Ӌ(j)(sh)(j)1~2·҇(gu)PVCM(jn)6.73f(wn)^ȥͬڜpٴs2.2f(wn);PVC28f(wn)^ȥͬ21.83f(wn)I(y)(ni)ʿJ(rn)飬ڇ(gu)H(yng)Ԍƫo(gu)(ni)PVCSփڸ
(ji)֮(gu)ÿ_˹ܘOӰϵy(tng)cƷbͣ܇漰PVCa(chn)400f(wn)^(gu)ȥ1(g)֮Ŀǰ72.6f(wn)a(chn)bû֏(f)_ؓ(f)ɲ174f(wn)a(chn)bÜ(zhn)؆ͣ܇bв_Εr(sh)؆Ŀǰ(gu)bõ؆ٶȁ(li)A(y)Ӌ(j)(gu)HЈ(chng)PVC؛Դoȱ挢m(x)5Ժδ(li)һΕr(sh)g֧Ȼڡڽf(shu)
(dng)ǰPVCЈ(chng)4·ݺϼsՄY(ji)Ј(chng)^(wn)ǰӡȺP(gun)(dng)ֵČʹӡIҌ(du)ԭa(chn)Ї(gu)PVCُ(gu)^qԥվoI(y)(ni)(dn)n(hu)o(gu)(ni)PVCЈ(chng)(li)һա^(gu)ڹ(yng)^m(x)or£5·PVCr(ji)^m(x)ϝq50Ԫ¡YӍPVCʯڷf(shu)