SʯbwfrpwSp@D|o(h)a(chn)SҡL(zhng)䓹ܵ(sh)wSλں˲(dng)(yng)I(y)@^(q)һҌ(sh)ۺĴfrp(dng)a(chn)SңҪ(jng)I(yng)䓹ܵmڱ̵ˮŷҲmڻSšܵşܵ|ܿԝMÑĸNwҪ
SʯbwfrpwSp@D|o(h)ܼͨ䓹|o(h)Џ(qing)ȸߡgԺߜgȼ^ܺáo(w)Ⱦϻpʩc(din)a(chn)Ʒh(yun)(yu)ڂy(tng)ʯ|ˮܺͨPVCǂy(tng)|o(h)ܵƷ
L(zhng)p@䓹ܵһNp(qing)ȸgķǽٹܵչˇҪ(sh)֬wIJwSp@D(zhun)оģwS֮gʯӢɰɰӡwY(ji)(gu)M(jn)܉ڝMʹÏ(qing)ȵǰ£ְl(f)]ϵ߄Ca(chn)Ʒķ(wn)ԺͿɿԡ
䓹ܵSʯbwfrpwSp@D|o(h)Sa(chn)mݔܵ坍ܵعܵܵoˮܵ_(ki)ڹܵ{(dio)ͨL(fng)̣ܵа̵ܵ
|ܿɝMÑĸNwҪɑ(yng)|(zh)ܛI(y)^(q)S^(q)^(q)ȻW(xu)g|(zh)
@(g)^(q)ČùMγɶӡܵзʽ(dng)|^(gu)h(hun)r(sh)(yng)Աo(h)ԇ
䓹ܵɏV(yng)ڹܾW(wng)?z)O(sh)ʯ͵ȹI(y)To(h)Ҳȼļܿչܵ횴_d10Ŀ܇ȫͨȵpٟpʧ܇(yng)ԓڱͬą^(q)(yng)ԓ(j)Լą^(q)rM(jn)̎c֮g(yng)Cߜز䓹ܜϵ_(ki)ڳߴ
(ni)r䓹ܵͻW(xu)gʹÉL(zhng)c(din)(ni)r䓹ܵͻW(xu)gܵa(chn)ƷmݔNᡢAЙC(j)܄W(xu)܃(yu)IJ䓹ܵͨ1.8-2.1gcm3s䓵1/4-1/5TFͲ
SʯbwfrpwSp@D|o(h)Sߜز䓹(ni)r䓹䓹|L(zhng)p@DN300DN400DN500DN600DN700DN800DN1000DN1200DN1400DN1600DN1800҂ԬF(xin)؛(yng)DN2000̖(ho)⺣P(gun)ҪĿԶƲ䓹ܵ