һPVCa(chn)Ʒȱݙzyϵy(tng)
ϵy(tng)M(jn)ڸ߷ֱC(j)ûҶȌȡzyPVCa(chn)^бnxȱݔ(yng)zyϸ/ϸ̖ʾһλȱƷ̎
a(chn)Ʒȱ(sh)D

ϵy(tng)zyԭB
(dng)Dλú(j)zy^(q)(ni)PVCװɫǷnxȺɫK۳^O(sh)õĻҶȲֵȡȱʾȱλü@ʾȱݴСݔ(yng)zy̖
ϵy(tng)Ҫ
1.ԄӌDM(jn)жλ
2.a(chn)ƷxȱM(jn)Йzy
3.a(chn)ƷϸoOK̖a(chn)Ʒϸr(sh)ݔNG̖l(f)(bo)̖
4.Ԅӱ治ϸҪĈD
5.ɱzy(sh)(j)vʷ(sh)(j)ԃ
Ҫg(sh)c(din)
1.ˣֻ躆O(sh)Ԅӈ(zh)Йzy
2.zyܛ㷨ȫ_l(f)ϵy(tng)ᘌԏ(qing)
3.xČֲM(jn)Йzyߙzy`
4.I(y)ԴO(sh)Ӌ(j)_zy΄(w)
5.bΣY(ji)(gu)oڲSo(h)͔U(ku)
6.ɿԸߣ\(yn)з(wn)mϸNF(xin)\(yn)Зl
7.PCƽ_ϵy(tng)ɔU(ku)ԏ(qing)
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