ڣ(ni)PVCЈ(chng)ʎС331A|ʯPVCSG-5r(ji)8630~8880Ԫ(r(ji)ͬ)^һǰϝq135~225Ԫ
PVCbмЙzA(y)u֏(f)(ni)wƫ(qing)֮Ј(chng)(wn)A(y)Ӌ(j)PVCr(ji)8400~8800Ԫλʎ(chung)YӍPVCڽзJ(rn)顣
ɱе֧
ڇ(ni)PVCЈ(chng)ϝqҪǿԭʯ(dng)Ј(chng)q3Ѯʯr(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
^ʯҪɱM(fi)(du)̶˿ܺ(ni)ɹŞm첼˹ȵؾ(sh)в̶ͬA(y)Ӌ(j)ʯr(ji){(dio)gޡͬr(sh)̼кͱ£(ni)ɹʯa(chn)Ͷa(chn)Ӌ(j)tڃ(ni)]a(chn)ͶԌ(du)PVCИI(y)fԭ϶˵ijɱ֧Ȼ^(qing)
Sȥڅ(sh)
LJ(ni)PVCbüЙzڣI(y)m(x)_(ti)4·ݙzӋ(j)PVC(yng)A(y)ڜpͬr(sh)u֏(f)泬A(y)ڸ
҇PVCI(y)(sh)ڱڶ⺮䲻ڙzԏȥ11·ԺPVCbһֱ82%ؓ(f)\(yn)УO(sh)Љ̎ڸλSD(zhun)ů߂O(sh)zlԼzıҪԡڽf
(j)(chung)YӍy(tng)Ӌ(j)4·ʯPVCzӋ(j)zbɽ|Űl(f)()45f/bϺꖽ22f/b|\Ƽ6f/bA62f/bͶұS^(q)12f/bá⣬̩30f/báɽ|̩ɽ}10f/b4~5ҲӋ(j)zޡ
PVCĿǰИI(y)_ƷI(y)֏(f)ˮƽСI(y)_һڳɱ£_ʼُ^(du)ԭϣPVCƷqr(ji)L(zhng)һc(din)еĿܳm(x)3(g)»߸L(zhng)r(sh)g¡YӍPVCssf
ǹ販ĽY(ji)ֱwF(xin)¡YӍ(sh)(j)@ʾPVC(hu)}31.34fh(hun)Ȝp7.44%ͬȜp40.42%A|^(q)h(hun)Ȝp3.97%ͬȜp31.28%;Aϵ^(q)h(hun)Ȝp14.69%ͬȜp54.61%w(hu)ܳɽƫӰSȥڅ(sh)
Ј(chng)(wn)
(j)P(gun)y(tng)Ӌ(j)(sh)(j)1~2·ݣ҇PVCM(jn)6.73f^ȥͬڜpٴs2.2f;PVC28f^ȥͬ21.83fI(y)(ni)ʿJ(rn)ڇH(yng)Ԍƫo(ni)PVCSփڸ
(ji)֮ÿ_˹ܘOӰϵy(tng)cƷbͣ܇漰PVCa(chn)400fϡ^ȥ1(g)֮Ŀǰ72.6fa(chn)bû֏(f)_ؓ(f)ɲߣ174fa(chn)bÜ(zhn)؆ͣ܇bв_Εr(sh)؆Ŀǰbõ؆ٶȁA(y)Ӌ(j)HЈ(chng)PVC؛Դoȱ挢m(x)5ԺδһΕr(sh)g֧Ȼڽf
(dng)ǰPVCЈ(chng)4·ݺϼsՄY(ji)Ј(chng)^(wn)ǰӡȺP(gun)(dng)ֵČʹӡIҌ(du)ԭa(chn)ЇPVCُ^qԥվoI(y)(ni)(dn)n(hu)o(ni)PVCЈ(chng)һա^ڹ(yng)^m(x)or5·PVCr(ji)^m(x)ϝq50Ԫ¡YӍPVCʯڷf