Рţh(hun)Ƽ޹˾ >> a(chn)Ʒչʾ >> ˮ >> 20߳ɾ܇ˮ̖(ho)Rȫ
          20߳ɾ܇ˮ̖(ho)Rȫ
          20߳ɾ܇ˮ̖(ho)Rȫ
          Ӌ(j)λ:
          r(ji)4
          Ҏ(gu)2-3m*10-20m
          a(chn)
               
          Ҫf
          ˮ;зˮֲϵ̵Ĺܣľƽ(ni)gԺágȵc(din)܉150KpaĿؓ(f)ǷNܺõĹ̷ˮo(h)
              Ԕ(x)Ϣ

          ˮҎ(gu)ţ˾Ҫa(chn)ˮˮHDPEˮpˮ塢^ˮˮ塢ˮˮ^Vˮˮˮˮʩˮ塢ˮ܇픰ˮ@־Gˮ܇ײˮˮMϡˮˮ픻@ˮ塢BˮˮƺNӘ픻@픾Gˮ(f)ˮˮͨˮ塢PSˮPEˮ픻@Gˮ塢ֲݸˮW(wng)Ĥˮˮ
          ˮ픾GԏVڸŽ(gu)LJ򣩵ȵ¶_(ti)_(ti)_(ti)˹ɽɽwM(jn)@NֲľܵĽy(tng)Q픾G(gu)ԽΞˮo(h)ˮx^Vӡ|(zh)ӡֲӽMQe픰y(sh)F(xin)¶нMˮȡŒo(h)ӡxӡ?zhn)y(tng)ˮ^Vʩ(ji)ʡ3/4ʩڣr(ji)(ji)ʡ(du)BˮM(jn)ռ@֝ˮ(ji)sˮYԴиˮ͸عܱھSo(h)pF(xin)
          o(h)ˮռϵy(tng)c(din)Gɫh(hun)ʹÉLռ`ʩڶ̣ͨ^ppˮűo(h)ιܵ(gu)ˮwֲBVˮpȾÏB(yng)ˮҲɌ(du)̎ˮռˮYԴĶȱ(jng)^O(sh)Ӌ(j)ԼƵľSo(h)ܸƭh(hun)BȄ(dng)ṩʳ͗Ϣأ_(d)õľ^
          ڠţˮǾGбزٵĻA(ch)ˮᘌ(du)@־GЈˮa(chn)ƷF(xin)Ƕ(xing)GбVʹã(jng)|(zh)O(jin)zyTz(yn)ϸˮЃ(yu)ˮϹcˮǾGбزٵĻA(ch)ˮHDPEעܶɣǼˮˮwˮˮӼ䱣o(h)ʩɺ_ʼbˮҪˮ¶ȝM2~5;ˮ屭ڳbXˮ渲w໥10~20cm,ֹˮ^ٶˮϵy(tng)ˮˮp10~20mmдɰγɝB͸^VֹNֲʧ


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