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~A~L(fng)C(j)ڝuU(ku)p϶ Y(ji)(gu)~͊AǞ120㣬(dng)C(j)Ǟ180r ȡ0=60,ՓuU(ku)p϶Y(ji)(gu)ǶȵĴֵ ȿԱC~݆ڂݔw^̲© ʹC(j)Y(ji)(gu)׃ƽ
uU(ku)p϶A(y)M(jn)Y(ji)(gu),O(sh)~݆cC(j)M(jn) (c)g϶鶨ֵ,Sʾ;~݆cC(j)chu qi(c) g϶uU(ku)p϶,kaiٵĺ(sh)b(0)ʾ ҊD3jiaڝuU(ku)p϶kai֮ǰ,ԪݷeV Ěw̎M(jn)≺p֮(dng)kaiǞ0 r,chu qi{M(jn),Ԫݷe(ni) Pp,ͬrКwͨ^g϶sM(jn)й© (dng)0=0r,pcchu qipd,_(d)ƽ⡣
kaiڿp϶׃ʵı^
ԪݷeSkaiڿp϶kaichu qi̎ ߉w㌦Ԫݷe(ni)ĵ͉wM(jn)о ͨchuL(fng)ڽY(ji)(gu)cuU(ku)p϶Y(ji)(gu)kaiڿp ϶׃ϵı^
chu qiڻԪݷechu qip϶׃ʣ D4Եõͨchu qip϶(dng)kaiu׃rchu qip϶׃ ͵,@fͨchu qip϶Skai׃׃Ĕz^~_L(fng)C(j)a(chn)S(dng)ͨchu qip ϶kairchu qiڵĸ߉wchu qip϶ ĶȻ׃^ҵ؛_~݆ݷe^(q) ͉^(q),ɺܴĻ_,Ķγɺܴ ~_L(fng)C(j)a(chn)S
ψD^Ե֪(dng)L(fng)C(j)AP = 68.6kPa,ڙC(j)Y(ji)(gu)˝uU(ku)p϶Y(ji)(gu) еĹ,Ԫݷekaiڿp϶kai׃ ̶ҪȾchuL(fng)ڽY(ji)(gu)µĻԪݷekaiڿp϶kai׃̶ƽĶ~_L(fng)C(j)a(chn)SڝuU(ku) p϶Y(ji)(gu)(yng)ԓЧpԪݷekai ra(chn)Ě~_L(fng)C(j)a(chn)S