Ј(chng)ʿA(y)Ӌ(j)Ƅ(dng)ȫϩ(PVC)Ј(chng)^m(x)L(zhng)
^(gu)ȥ10꣬Ї(gu)PVCһ2019꿂_(d)2000f(wn)Ӳ|(zh)ܵPVCռ˿(sh)һܛĤƬЇ(gu)ܛ|(zh)PVCa(chn)Ʒڇ(gu)ԽΣC(j)ԁ(li)Ї(gu)U(ku)ʯԭϵPVCa(chn)Ї(gu)һȳF(xin)^(gu)ľa(chn)(ҲϩPVC)^(gu)(gu)(ni)1000f(wn)Ȼԭ̓r(ji)µʯԭPVCĸ(jng)(zhng)½S(gu)(ni)L(zhng)ȱ(jng)(zhng)̱̭ƽõmȻЇ(gu)(jng)PVCM(jn)ڇ(gu)ÿM(jn)200f(wn)S(gu)(ni)a(chn)m(x)M(jn)һֱ½ֵע2020Ї(gu)PVCM(jn)8(li)״γ^(gu)100f(wn)
ӡȽ(li)c(din)l(f)չO(sh)ʩӡȌ(du)r(nng)I(y)ܵҲڳm(x)ӡȳ^(gu)70%PVCڹܵˮˮܵȻMӡPVCʢ(gu)(ni)a(chn)܅s](mi)L(zhng)5ҹ˾Ӌ(j)a(chn)ֻ150f(wn)/ӡPVCM(jn)ӣ2019L(zhng)10%_(d)214f(wn)ձPVCa(chn)̄tɞF(xin)ѽ(jng)^(gu)Ї(gu)_(ti)n(gu)ɞӡPVCa(chn)Ʒ(li)Դ(gu)