亚洲精品久久久久中文字幕二区_69堂亚洲国产日韩精品无码专区成人妻中文字幕一区二区三区在线久久久久_久久99精品国产麻豆婷婷洗澡

gӭLLh(hun)Ƽ޹˾ٷW(wng)վ ֙C(j)13697293456 ΢̖ͬ
 
䓹ܵc䓹ܱ^
Դ䓹ܵS l(f)rg2021-10-13 13:48:43

䓹ܵc䓹ܱ^ܺı^F(xin)ͬM(jn)ܺı^ˮ|(zh)B©ܺͿˮNܡmȫͭh(hun)ԏ@Щ挦һǂܵһЩ

䓹ܵc䓹ܱ^

䓹ܵc䓹ܱ^
䓹ܵc䓹ܱ^1. ܺı^
?yn)䓹ܵHazen-Williams ֲϵ(sh)CֵSݴpܺҲ䓹ܹܾܺh(yun)ڲ䓹ܾ ҪԭЃɂһ?yn)䓹늻W(xu)gҪl(f)(ni)ڽY(ji)ʹܺ?yn)¹ܠ?B(ti)£䓹h(yun)䓹Ҫֵָǣڹܾ۔(sh)ڵ(sh)䓹ܾı͹ʌ25Rӵ60R 䓹ܾĹʻԳֲ׃
䓏(f)ϹܺͲ䓹䓹ôBϹܵFܵB䓹ܵc䓹B
F(xin)ͬM(jn)ܺı^
O(sh)飺6fȫL10\(yn)ԁˮճϵ(sh)1.2*10-6¸ߞg䓹ܵĿ϶ֲڶȡƽֵ 1.65mmt䓹ܵēP(yng)̞30.85m䓵ēP(yng)̞58.62m䓵ܺDz䓹ܵ1.9@ζڹܵ\(yn)D(zhun)r Ӻڳɱ
䓹ܵc䓹ܱ^2. ˮ|(zh)
䓹ܵă(ni)rxʳƷ֬ɴ_ˮ|(zh)_(d)Ҏ(gu)JC5861995 \(yn)ͺA溬ȵˮˮ ֮ڱܹlµIJ䓹ܵă(ni)ڲL΢صIJ䓹ܿM(jn)һ_ԁˮ|(zh)
?yn)䓹бҪͿͿϣGB13295һ91Ҏ(gu)Ϳˇ(yn)Ҏ(gu)tͿϑ(yng)ˮʹˮl(f)ζͿе |(zh)(yng)l(wi)ˮP(gun)Ҏ(gu)t?yn)䓹ܱڴֲȡͿYϹˇҲyԵ_(d)Ͳ䓹܃(ni)ڵĝ Lrg\(yn)úl(f)gL΢ͽY(ji)ȻӰˮ|(zh)
䓏(f)ϹܺͲ䓹ܣ䓹ôBϹܵFܵBӣ䓹ܵc䓹B
䓹ܵc䓹ܱ^3.B©ܺͿˮN
䓹xph(hun)zܷzȦв㕽bÕr㕽̎100%(zhn)(sh)(yn)ɴ_^ܷ⹦100%ϸ񡣴?yn)鲣?һN(x)Ժܸߵď(f)YHBˮBˮӰr(nng)ҲB ˮBӰ푹܃(ni)ˮ|(zh)
䓹ںӕrҪI(y)l^ߣڬF(xin)ʩM(jn)ܗlļs|(zh)yԴ_ܷ̎ĿɿԲ 䓹ܬF(xin)dz䓹ܵĺ̎
?yn)鲣䓊Aɰܾкܸߵď(qing)Ⱥͽܳչ?yn)ˮNЧ˲gl(f)pġ
ɴ˿Ҋ䓹ܲķBԱ䓹Ҫ(yu)ٵöࡣ
䓹ܵc䓹ܱ^4. mȫͭh(hun)
ڿܵĽM(j)\(yn)×lҪ󌦲䓊AɰM(jn)`Ҏ(gu)(ni)M(jn)ˮƽija(chn)ص׿ոNҎ(gu) a(chn)ϸa(chn)Ʒ?yn)ʳƷ֬ԭY|(zh)(wn)(jng)\(yn)Чܳ
Ͼ҂֪ĹԱ^䓏(f)ϹܺͲ䓹䓹ôBϹܵFܵB䓹ܵc䓹B
W(wng)վ   |   ˾   |   a(chn)Ʒչʾ   |   su(y)Y|(zh)   |   „ӑB(ti)   |   ИI(y)ӑB(ti)   |   “(lin)ϵ҂
Lh(hun)Ƽ޹˾ ַʡ(dng)н򹤘I(y)@
“(lin)ϵˣO(jng) ֙C(j)13697293456
]340063717@qq.com W(wng)ַhttp://www.askedu.com.cn
Copyright 2020 Lh(hun)Ƽ޹˾ All Rights Reserved.