h(hun)
  ǰλã > h(hun)
PVC
>a(chn)ƷҎ(gu)


>ܲĹܼb
    1ܲĵи(j)ʹҪȡLȺֹ䏡СAƬи߲ȡҪܲи(yng)ñփɶ˴ֱƽSȥë߅M^
    2ܲĺ͹ܼճӣճǰMԇMb_bλòØӛɰ򼆲pܲġܼcȻմбͪ޼ϴͪ]l(f)ԺBܲĹܼճϷëˢͿһճτ©ͿͿƽ룬D(zhun)bĽMϽǶľÓʹܲȫпs23犺󼴿й̶˕rмɏв_D(zhun)tɝB©Mbꮅ󼰕rȥճ̎ĶճτԱֹܵ坍
    3UڹܵBӣȌUڹܵă(ni)ڣֱܲ벿ֵɃzȦD(zhun)ڔUڶ˵İۃ(ni)zȦ¶ȵһ⣩ȻBzȦֱܵIJ벿ͿϝֱܲˌʔUڶ˲(j)ʩF(xin)վC˰茢ֱܲӛλUڲֵLֱϘӛLȑ(yng)ڔULȣ

>a(chn)ƷY
    |(zh)ABSPVC-Ua(chn)ƷҪ(ni)ڹ⻬oëzSp΢۰͘OСs|(zh)ɢڡ
    byTܼͬһҎ(gu)übӰͬһҎ(gu)Ͼÿһ㲻^50
    a(chn)ƷrɒSײܓpҪՕ
    \ݔrɒSײܓpҪՕ
    (w)
    1ABSPVC-Uܵϵy(tng)ϵɫSɫɫÑxáÑҪɫɸ(j)Ҫơ
    2ABSPVC-Uܵϵy(tng)(j)ÑҪ׹(yng)ÑҪDZfa(chn)ƷÑҪơ
    3˾O(sh)ЌI(y)bꠣÑṩF(xin)b(w)ɼg(sh)ˆTF(xin)ָb(yng)ճӄ
    4˾a(chn)Ʒ۳һ(ni)Ñk\Ñӆ؛Ɂ늁“(lin)ϵֱǢՄgӭxñSa(chn)ƷϣÑrӳʹrFҊԱM
    5YσH޸ˡ֪ͨ

>ӆ؛֪
    ӆ؛rעُa(chn)Ʒ̖ߴ(sh)ȡ
 

  
]a(chn)Ʒ
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