hʯ\W(wng)ڷo(h)еă(yu)(sh)ʲôhʯ\W(wng)ʯ\W(wng)һNڹ̶ɽԼ߅Ϸo(h)ˮʧʯɽʯKLhǾW(wng)IJFzͿPVCͿӵFzͿӺȴs1mm
ʯ\W(wng)\(yn)ÙC(j)پĆܿξW(wng)ǾW(wng)ƳɵľW(wng)0.15-0.5m0.5mʯ\W(wng)|(zh)Ӱ푷o(h)ð\䓽zҲPVC䓽z䓽zPVCo(h)ȻγɸNǾW(wng)
@PVCo(h)ӌ(hu)ڸȾh(hun)еıo(h)ҽ(jng)^(gu)һɫxʹܺ?ch)h(hun)h\XϽʯ\W(wng)\-5ٷ֮X-ϡϽ䓽zıͿbPVCo(h)ȻγFzW(wng)ͬҲh(hun)
ʯ\W(wng)ĸgʯ\W(wng)ҲͿbPEϩPVCPEϻPEPVCɫGܛʯ\W(wng)(bo)r(ji)cһ\ʯ\(bo)r(ji)^ԸһЩǰܺʯ\Ҫһ\ʯ\ø߳SֻPԸ(qing)ұh(hun)øԓa(chn)ƷVˮ·Ј@־B(ti)(xing)Ŀе\(yn)á