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l(f)rg2020-04-13 1525˞g[
ͿzºMвܺeӘ֬ĺ (j)Lڌ`(jng)f͑мӜؗl40-50犼ɝM z¹̻ėlz»dzҎ(gu)Ҏ(gu)⣩24 rsҪ90犵Ĺ̻rgǰMИ֬eӱϩÛzγz°ƤѵĬF(xin) עͬģz¹̻ٶҲӰ푵ģͺϲģģضȶDzһӵ ضȺʹӰz¹̻ٶȵĺcضԽԽ̻Խ֮Խ
ܵeӋ㷽
l(f)rg2020-04-13 2022˞g[
OֱdLȞhS =3.14*d*hԭܵչ_һL,LǹܵL,AL, (j)Lˌóe.
䓃ތй©ԭЩ
l(f)rg2020-04-13 1398˞g[
䓃ʬF(xin)B©ԭͽQkʲôʲôʬF(xin)@Nr\õѱض־Ϳܱ^nãwĽoۂBһ@}
䓃Ļcʲô
l(f)rg2020-04-13 1672˞g[
䓃ɫ Ѓ(yu)ܣ䓵ıһ1.8-2.1䓵1/4-1/5TFϵďȶ䓵ğÛϵ(sh)c䓴wஔϵ(sh)ֻҪ䓵0.5%
䓃ޱڵČӴνY(ji)
l(f)rg2020-04-13 1464˞g[
䁌ӽY(ji)Dz䓏ȹgܵô_䓃ޱ3ӽMɣ
䓵ԭ(yu)ȱc
l(f)rg2020-04-13 3058˞g[
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