Ah(yun)јI(y)PVC≦c(din)
1.Ah(yun)јI(y)PVC≦ҕX(ju)ЧmȻܣɫʼӲɫ
PVC≦^÷ľyO(sh)Ӌ(j)дȻУжNͬɫ|(zh)O(sh)Ӌ(j)PVC≦ϵВԴʹҲƷ|(zh)≦bĻʯbuȲͬ|(zh)еIJϣڲͬλʹ(gu)ɽĪ(d)\(yn)׃˵L(fng)Mϣo̵ҕX(ju)
2.Ah(yun)јI(y)PVC≦忹ϻ(yu)ԽͺL(zhng)ʹ Ah(yun)јI(y)PVC≦˸ЧL(zhng)Ч⾀(wn)Mɵ(f)ϲϻݗԿNӚڸNȻL(fng)Ӱ¶ܚvʡsPΰgÓ䡢ͿˢµȟʹľSo(h)Ĵһʹ_(d)ʮ
3.Ah(yun)јI(y)PVC≦僞(yu)ܺͻW(xu)
PVC≦õgԡc_Ը(j)ͬĹO(sh)Ӌ(j)ˇҪü׃ (hu)ΓpAĸgˮg(do)ϵ(sh)Ϩȼ_(d)yȼ(j)(bio)(zhn)ЧӾ(sh)
4.Ah(yun)јI(y)PVC≦尲b(jin)(ji)ԺCЧ
Ah(yun)јI(y)PVC≦尲bˇ(jin)οȫʽI(y)ι̿ɿʡʡr(sh)s˹˰bɱ(ni)ӿɘO鷽İbwزʹ≦ЧOemf죬fu߀Ϳfֱʩ