F(xin)ձʹõĹ؇ҪwͲ䓡(j)Ո"(j)y(tng)Ӌÿ꽨ʩĿs25fףÿu500KӋһʹus1.3|K" ճuĵʼIJԣYԴĘOMҴuÓɫڲra(chn)ēPmͽh(hun)ɘOƉ䓇t䓰^a(chn)Ʒ(wn)ԲȱcЕrL(fng)ܴ˰ȫ(gu){@Щ䓰Pgpϴѭh(hun)ˣh؇PVC?zhn)y(tng)ƏVʹPVCҪ(yu)ݣ
1ȝMҪʹþPVCߏʹMϻĹϾ̼gȫܝMʹҪ
2ɱͣbbMõͣғpĵoڟoȫUɻޏ(f)؏(f)ʹáPgoˢճSoĹM
3b㣺a(chn)ƷY(ji)(gu)ͽcøߏȌᔹ̶cƴbͬٙڗU^횺ӹٶȿ죬؛ڶbPVCoڲжcƄӷrµ茧(do)ƉĺQ
4;ԏa(chn)Ʒʹ25F(xin)ɫl(f)SÓƤࡢ_xNȬF(xin)
5PVCϱȼҕֹȼܴصİȫԡ
ʹPVCa(chn)Ʒĕr҂ҲҪһЩ(yng)ʹ헣ñfҪľnjڇĴһҪP(gun)ķ߶ȣǹ̹܇MЇԒôBm(x)Ե]ćһЩӽԒôHҪ܇O(sh)ܷBm(x)ć߀Ҫ_ڇa(chn)Ʒ߀(yng)İȫoʩ@Ӳ܉õرCa(chn)ƷʹЧ܉õرo̹İȫʩM
ڴPVCĕr߀Ҫĸ߶߶ҲL̳Ҫʮ_ ĄڙCa^ǏV܇վȵ@ӵĈخ(dng)дԒǶҪӸ߇ĸ߶Ҫ_cϵĸ߶ǺϸҎ(gu)ģͨĵ·ʩ(dng)MЇĕr߶Ҳ܉һc@ЩӲԵĄMЇO(sh)õĕrһҪص@Ӳ܉?gu)õʹЧ?
PVCʹ߀Ҫһcǰrڇ(c)(yng)ԓO(sh)ú(yng)Ę(bio)ZһЩ(yng)ϢeҪһЩT܉ھϢ@Ӳ܉ṩõһc(do)ͬrҲԎeOϵ@ͬrҲʹÇĕrһӲҪֻ@Ӳ܉ʩչЧ܉ɞЮ(dng)еһƉijһT