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Դchangbanqiao l(f)rg2021-4-21 16:51:20

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ڄܷ߶ܝM㹤Ҫ䓹ڳ܏^СĹܱgӸ(j)ҪӊAɰӁ߄ɝMÑκ΄Ҫ䓹ܱ턂󣬿ɲÿ]ڳܶijd(d܇)棬䓹ܿͨ^ď׃΁ГdȥԄӻ֏ԭ䓹һ׃ױƉĻѡ4ʹÉ䓹ܵĻwǘO䷀(wn)ĸ߷ӲƉĉǰ6O(sh)ӋģԴ_50ʹÉ(ҊAWWA ASTM˜)䓹ʹÉһ20\gSolSyȴMøߡ䓹\Еr܃(ni)ˮ|(zh)܇
ˮO(sh)؎Ƿ늈أʹ܃(ni)ڮa(chn)gˣ˜Ҏ(gu):w(ni)摪Ϳr|(zh)Ϳc䓹ܵIJ|(zh)ͬL\ܵˮ_׮a(chn)֌Ó䣬ʧȥͿĶʹܵă(ni)FӮa(chn)ã늻Wg،pʹÉLh(hun)Ƽ޹˾ԃԒ18903285555  ˾ַʡн򹤘I(y)@
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䓹ܵă(ni)ڷdz⻬²䓹ܵHazen-Wllliamsֲϵ(sh)Cֵ160һ1䱣صO(sh)Ӌֵ(50Ӌ)150䓹ܵCֵ1(jng)ʹúC=65CֵĽڹܵă(ni)FӮa(chn)ú늻Wgӳڃ(ni)ڽY(ji)ɵ
䓹cMб^Ĕ(sh)(j)䓹ܵĴֲڶȞ0.05mmg䓹ܵĴֲڶȞ3mmgδg䓹ܵĴֲڶȵ60ȡ䓹ܵHazen-Williamsƽֲϵ(sh)Cֵ1OO䓹ܵC1t12ӢIJ䓹c14Ӣ䓹ܵͬ
fͬӵĹ܏l䓹ܵ䓹Ҫ36%ܺı^䓹ܵHazen-Williamsֲϵ(sh)CֵSݴȜpܺҲ䓹ܹܾܺhڲ䓹ܾҪԭЃɂ:䓹늻Wgأa(chn)(ni)ڽY(ji)ʹܺ䡣¹ܠB(ti)䓹h䓹Ҫ⻬ֵָ:ڹܾڵĺ(sh)䓹ܾҪı͹ʌ25Rӵ60R:䓹ܾĹʻֲ׃
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