SʯbwfrpwSp@D|oa(chn)SҡL䓹ܵwSλں˲ꖹI(y)@^(q)һҌۺĴfrpa(chn)SҪ(jng)I䓹ܵmڱ̵ˮŷҲmڻSšܵşܵ|ܿԝMÑĸNwҪ

SʯbwfrpwSp@D|oܼͨ䓹|oЏȸߡgԺߜءgȼ^ܺoȾϻpʩca(chn)Ʒh(yu)ڂy(tng)ʯ|ˮܺͨPVCǂy(tng)|oܵƷ
Lp@䓹ܵһNpȸgķǽٹܵչˇҪ֬wIJwSp@D(zhun)оģwS֮gʯӢɰɰwY(ji)(gu)M܉ڝMʹÏȵǰְl(f)]ϵã߄Ca(chn)Ʒķ(wn)ԺͿɿ
䓹ܵSʯbwfrpwSp@D|oSa(chn)mݔܵ坍ܵعܵܵoˮ̣ܵ_ڹܵ{(dio)ͨLܵа̵ܵ
|ܿɝMÑĸNwҪɑ|(zh)ܛI(y)^(q)S^(q)^(q)ȻWg|(zh)
@^(q)ČùMϣγɶСܵзʽ|^h(hun)rԱoԇ
䓹ܵɏVڹܾW(wng)؟O(sh)ʯ͵ȹI(y)ToҲȼļܿչܵ횴_d10Ŀ܇ȫͨȵpٟpʧ܇ԓڱͬą^(q)ԓ(j)Լą^(q)rM̎c֮gCߜز䓹ܜϵ_ڳߴ硣
(ni)r䓹ܵͻWgʹÉLc(ni)r䓹ܵͻWgԣܵa(chn)ƷmݔNAЙC܄W܃(yu)IJ䓹ܵͨ1.8-2.1gcm3s䓵1/4-1/5䓡TFͲ
SʯbwfrpwSp@D|oSߜز䓹(ni)r䓹䓹|Lp@DN300DN400DN500DN600DN700DN800DN1000DN1200DN1400DN1600DN1800҂ԬF(xin)؛DN2000̖⺣P(gun)ҪĿԶƲ䓹ܵȡ