e{(dio)O(sh)Ӌ
1
e{(dio)ؓ(f)Ӌ㣺{(dio)b֮ǰҪӋҪؓ(f)@Ӳܸ(j)ؓ(f)xCסլԇoY(ji)(gu)ؓ(f)ɞķgӋؓ(f)ɵĕrҪ]gЪؓ(f)ɸϵ(sh)1.10—1.20߀Ҫ]ҟo{(dio)rزؓ(f)
2e{(dio)ϵy(tng)xO(sh)ӋҪ{(dio)ϵy(tng)Ĵ_ҪCϿ]\ÈʹcI(y)ȶK_mĿ{(dio)ϵy(tng)
3e{(dio)·O(sh)ӋC҃(ni)C{(dio)·Ҳϵy(tng)һҪMɲ·O(sh)Ӌˮϵy(tng)O(sh)ӋL(fng)ϵy(tng)O(sh)Ӌˮϵy(tng)ɹҪ1.2m/s֧Ҫ0.6m/sL(fng)ܣ˽L(fng)Ҫ6m/s£֧L(fng)ٲ4m/sL(fng)L(fng)ȡ2m/s
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{(dio)cy(tng)CĴ^