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ʽߵؙC(j)O(sh)Ӌԭ
Դԭ(chung) l(f)rg2015-04-01 w С
ʽߵؙC(j)P(gun)Iĭh(hun)(ji)O(sh)Ӌ^,һҪʽߵؙC(j)O(sh)ӋO(sh)ӋϳF(xin)ȱa(chn)^̟oa(b)ġ\(yn)ٶ:ƽߵٶȦ=0.8m/s,ֱ݆d=0.2m,݆D(zhun)ٞn=/(d)= 1.27D(zhun)/s,76.4D(zhun)ÿ,LͲ200D(zhun)ÿ犕rȡ^õЧ,tҪӱȞi=76.4:200=1܇wߴ:0.80.750.5,܇ݷe90L,ȿԝM㌍HҪʹ܇^o.̎:~:ȼ:ƽ0.2mm;b:0.2-2mm;^:ֱ8mm,L30mm;ˮƤ:1-20mm;һЩСs:wes1cm3;һ·߅^100g;
LʽߵؙC(j)ČwSģ,F(xin)Ӯ.ʽߵؙC(j)wM(jn)нY(ji)(gu)O(sh)ӋLbDP(gun)IĹD(j)P(gun)(sh)ͺO(sh)ӋҪ,M(jn)иֵO(sh)Ӌ,ʹÒߵؙC(j)Ч_(d)Ҫ,wԻM(jn)ЂәC(j)(gu)ĹO(sh)ӋӋ,M(jn)йď(qing)У,_ӲԼijߴc(j)΄(w)Ҫ,M(jn)ВߵؙC(j)ĿwC(j)(gu)O(sh)Ӌ,_ܵČF(xin)C(j)(gu)._๦ģKĽӿڡ
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