l(f)r(sh)g2020-04-13 1576˞g[
ͿzºM(jn)вܺeӘ(sh)֬ĺ (j)L(zhng)ڌ(sh)`(jng)(yn)(li)f(shu)͑(h)мӜؗl40-50犼ɝM(mn) z¹̻ėlz»dzҎ(gu)Ҏ(gu)⣩24 r£sҪ90犵Ĺ̻r(sh)gǰM(jn)И(sh)֬eӱϩÛzӣ(hu)γz°ƤѵĬF(xin) ע⣬ͬģ(du)z¹̻ٶҲӰ푵ģ(f)ϲģģضȶDzһӵ ضȺʹӰz¹̻ٶȵĺc(din)ضԽߣԽ̻Խ֮Խ
l(f)r(sh)g2020-04-13 2076˞g[
O(sh)ֱdL(zhng)ȞhS =3.14*d*hԭܵչ_(ki)һ(g)L(zhng),L(zhng)ǹܵL(zhng),AL(zhng), (j)L(zhng)ˌóe.
l(f)r(sh)g2020-04-13 1447˞g[
䓃(ch)ʬF(xin)B©ԭͽQkʲôʲô(hu)ʬF(xin)@Nr\(yn)õѱض־Ϳܱ^nãwĽoۂBһ@(g)(wn)}
l(f)r(sh)g2020-04-13 1721˞g[
䓃(ch)ɫ Ѓ(yu)ܣ䓵ıһ1.8-2.1䓵1/4-1/5䓡TFϵď(qing)ȶ䓵ğÛϵ(sh)c䓴wஔ(dng)(do)ϵ(sh)ֻҪ䓵0.5%
l(f)r(sh)g2020-04-13 3170˞g[
䓣FRPQ(chng)GFRPwS(qing)һָòwS(qing);h(hun)(sh)֬cȩ(sh)֬wԲwSƷ(qing)ϵ(qing)Q(chng)^鲣wS(qing)Q(chng)鲣䓣ͬ䓻ʹõĘ(sh)֬ƷNͬоh(hun)ȩ֮e|(zh)pӲ(do)ܷ(wn)C(j)е(qing)ȸ٣gԴ䓲C(j)܇(ch)⚤
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