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

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)䓹ܾıʌ25Rӵ60R 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)ڲLصIJ䓹ܿM(jn)һ_ԁˮ|(zh)
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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
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䓹ܵc䓹ܱ^4. mȫͭh(hun)
ڿܵĽM(j)\(yn)×lҪ䓊AɰM(jn)`Ҏ(gu)(ni)M(jn)ˮƽija(chn)صոNҎ(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