䓹ܵc䓹ܱ^ܺı^F(xin)ͬM(jn)ܺı^ˮ|(zh)B©ܺͿˮNmȫͭh(hun)ԏ@Щ挦(du)һǂ(g)ܵһЩ

䓹ܵc䓹ܱ^
䓹ܵc䓹ܱ^1. ܺı^
?yn)䓹ܵHazen-Williams ֲϵ(sh)CֵSݴpܺҲӡ䓹ܹܾܺh(yun)ڲ䓹ܾ ҪԭЃɂ(g)һ?yn)䓹늻W(xu)gҪl(f)(ni)ڽY(ji)ʹܺ?yn)¹ܠ?B(ti)䓹h(yun)䓹Ҫ(rn)ֵָǣڹܾ۔(sh)ڵ(sh)꣬䓹ܾıʌ25Rӵ60R 䓹ܾĹʻ(jin)ֲ׃
䓏(f)ϹܺͲ䓹䓹ôBϹܵFܵB䓹ܵc䓹B
F(xin)ͬM(jn)ܺı^
O(sh)飺6fȫL(zhng)10\(yn)ԁˮ(dng)ճϵ(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(sh) Ӻڳɱ
䓹ܵc䓹ܱ^2. ˮ|(zh)
䓹ܵă(ni)rxʳƷ(j)֬ɴ_ˮ|(zh)_(d)(gu)Ҏ(gu)JC5861995 \(yn)ͺA溬ȵˮˮ ֮ڱܹlµIJ䓹ܵă(ni)ڲL(zhng)صIJ䓹ܿM(jn)һ_ԁˮ|(zh)
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䓏(f)ϹܺͲ䓹䓹ôBϹܵFܵBӣ䓹ܵc䓹B
䓹ܵc䓹ܱ^3.B©ܺͿˮN
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䓹ںӕr(sh)ҪI(y)l^ߣڬF(xin)(chng)ʩM(jn)ܗlļs|(zh)yԴ_ܷ̎ĿɿԲ 䓹ܬF(xin)dz䓹ܵĺ̎
?yn)鲣䓊Aɰܾкܸߵď(qing)Ⱥͽܳչԣ(hu)?yn)ˮNЧ˲gl(f)p
ɴ˿Ҋ䓹ܲķBԱ䓹Ҫ(yu)ٵö
䓹ܵc䓹ܱ^4. mȫͭh(hun)
ڿܵĽM(j)\(yn)×lҪ(du)䓊AɰM(jn)`Ҏ(gu)(gu)(ni)M(jn)ˮƽija(chn)صոNҎ(gu) a(chn)ϸa(chn)Ʒ?yn)ʳƷ?j)֬ԭY|(zh)(wn)(jng)\(yn)Чܳ
Ͼ҂֪ĹԱ^䓏(f)ϹܺͲ䓹ܣ䓹ôBϹܵFܵB䓹ܵc䓹Bӡ