e{(dio)OӋ
1
e{(dio)ؓӋ㣺{(dio)b֮ǰҪӋҪؓɣ@Ӳܸ(j)ؓxCסլԇoY(ji)(gu)ؓɞķgӋؓɵĕrҪ]gЪؓɸϵ(sh)1.10—1.20߀Ҫ]ҟo{(dio)rزؓɣ
2e{(dio)ϵy(tng)xOӋҪ{(dio)ϵy(tng)Ĵ_ҪCϿ]\ÈʹcI(y)ȶK_mĿ{(dio)ϵy(tng)
3e{(dio)·OӋC҃(ni)C{(dio)·Ҳϵy(tng)һҪMɲ֣·OӋˮϵy(tng)OӋLϵy(tng)OӋˮϵy(tng)ɹҪ1.2m/s֧Ҫ0.6m/sLܣ˽LҪ6m/s֧Lٲ4m/sLLȡ2m/s
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{(dio)cy(tng)CĴ^