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ʽmxȡ
2020-5-8 xΔ(sh)[633]

ʽmxȡ

xʽm֮ǰҪ˽⟟Ⅲ(sh)|(zh)֪@Щ(sh)ͨ^Ӌ(j)^Ve^VL(fng)ٵȔ(sh)(j)CϿ]xmO(sh)ľwe̖(ho)

1̎QwӋ(j)

Ӌ(j)ʽm̎QwҪ(sh)Hͨ^ʽmĚw߀Ҫ]m©L(fng)@Щ(sh)(j)(yng)(j)SČ(sh)H\(yn)н(jng)(yn)zy(c)Yρ_ȱӋ(j)ҪĔ(sh)(j)԰a(chn)^̮a(chn)ĚwټϼֻM(jn)Ŀ՚(s2040)Ӌ(j)

(yng)ԓעa(chn)^Юa(chn)ĚwڹB(ti)µĚwM(jn)xͱ^r(sh)tҪQ(bio)(zhn)B(ti)µĚwʽmNˣ(du)O(sh)xӋ(j)@؄eҪxͲ(dng)O(sh)^t˲ҪM(fi)O(sh)xСˣtӰa(chn)yԝMh(hun)Ҫ

x͵Ӌ(j)㷽^һӋ(j)ǰ(yng)˽⟟Ļˇ(sh)纬mw|(zh)Լۉmķɢ(rn)ԡȵȡ֪@Щ(sh)ͨ^Ӌ(j)^Ve^VL(fng)١VϼO(sh)xO(sh)ľwe̖(ho)

2^VL(fng)ٵxȡ

^VL(fng)ٵĴСȡQںmwԠeԼۉm|(zh)һ㰴mӱ]Ĕ(sh)(j)ʹߵČ(sh)`(jng)(yn)xȡ(sh)L(fng)ʽm^VL(fng)0.613/m֮g}_ʽm^VL(fng)1.22m/swSʽm^VL(fng)ټs0.50.8m/s±^VL(fng)ٿɹxȡ

ۉmNҷʽÓք(dng)(dng)C(j)е(dng)L(fng)}_̿(̿)X\AښwͻW(xu)(yng)γɵĚҺX̿ˮGųˮ0.250.4  0.30.5  0.330.60  0.81.2FFϽATmXˮĥųˮࡢ̼tL(zhng)AʯFú0.280.45  0.40.65  0.451.0  1.02.0ʯúɰmwմa(chn)ķۉm̿ڣμӹߎXʯʯVmXVˮࣨLQ0.3050  0.501.0  0.61.2  1.53.0

3^VeĴ_

(1)^Ve(j)ͨ^mĿȶ^VٶʽӋ(j)㿂^Ve

^Ve󣬾ͿԴ_ʽmwҎ(gu)ģͳߴ

(2)ΗlVeΗlAΞVe

ڞVӹ^?yn)VҪ̶ڻ̹е߀Ҫ̶ڴñԞVɶҪpӿpӿpƣpӿpƵ@Ӵџo^Vͬr(sh)еĞVg߀Ҫ̶h(hun)@Ҳ]^V

ڴͷL(fng)mVL(zhng)10mֱ0.292m乫Q^Ve0.029210925m۳]^Võe0.75m^Ve8.25-0.757.5mɴ˿ҊV]õ^VeռVe510ڴгmҎ(gu)Б(yng)ע^VeСڬF(xin)гmӱ^Ve(sh)ָǹQ^VeO(sh)Ӌ(j)xБ(yng)ԓע⡣

mO(sh)IJ\͸dzmg(sh)M(jn)һ(g)Ҫ(ni)Դʽmg(sh)SȌ(du)fO(sh)M(jn){(dio)y(c)ԇ_֮ƶGZȡWWY(ji)(gu)QIJMXƵȴʩʹO(sh)֏(f)(du)fO(sh)?lin)QһͬʹʽmԼˮI(y)IJ늳mѱĞL(zhng)͉}_ʽm_(d)M(jn)ļg(sh)Լ(jng)(j)ָ(bio)늳mĸt߳mЧʞĿ(bio)M(jn)еġ



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