ڔQʯ\W(wng)ַQǾW(wng)ɸ߿gߏ(qing)չԵĵ̼䓽z߰PVC䓽zʹÙC(j)е
Ҏ(gu)̼䓽zֱ(j)O(sh)Ӌ(j)Ҫͬһ2.0-4.0mm֮g䓽zĿ(qing)Ȳ38kg/m2僌һ245g/m2ʯ\W(wng)Ƭ߅ֱһҪھW(wng)ֱpgϲֵL(zhng)ȲС50mm.ԱCgϲ䓽zĽ僌ӺPVC僌ӲƉ
ڔQʯ\W(wng)ַQǾW(wng)ɸ߿gߏ(qing)ȡչԵĵ̼䓽z߰PVC䓽zʹÙC(j)еҎ(gu)̼䓽zֱ(j)O(sh)Ӌ(j)Ҫͬһ2.0-4.0mm֮g䓽zĿ(qing)Ȳ...
ԃᾀ13180009009
ڔQʯ\W(wng)ַQǾW(wng)ɸ߿gߏ(qing)չԵĵ̼䓽z߰PVC䓽zʹÙC(j)е
Ҏ(gu)̼䓽zֱ(j)O(sh)Ӌ(j)Ҫͬһ2.0-4.0mm֮g䓽zĿ(qing)Ȳ38kg/m2僌һ245g/m2ʯ\W(wng)Ƭ߅ֱһҪھW(wng)ֱpgϲֵL(zhng)ȲС50mm.ԱCgϲ䓽zĽ僌ӺPVC僌ӲƉ