o(w)p PP PE PC PPR PVC UPVC z 䓹 ͺϹ P䓹 ~ wS \ ܛ ˮ ܲ kgb
ʒɽܘI(y)ʒͨP(pn)VC(xin) ʒͨPVC(xin)S(chng)ֱN(xio)
ӆ1000
h
ʒɽܘI(y)ʒͨUPVCˮ_ʒͨpvcˮ
ӆ100
](mi)ҵĮa(chn)Ʒ
Ml(f)ُՈI(y)(dng)(li)(lin)ϵ
zИI(y)
ЇľW(wng)y 10f(wn)+ Ʒ
Ӌў 10000+ ҵM(mn)ļĿ
138λɹύ˴
҂(hu )10ȽoՈͨԒ(hu)ͨ