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2020-09-26 g[
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෨ˮ̎гõһNk^ˮڽY(ji)ϷʽͬеˮķҲͬ쎧҂˽һˮֵķˮֵȥk
ҪBˮֵķˮĴڷʽУ϶ˮë(x)ˮˮ̓(ni)Y(ji)ˮ϶ˮָ(x)wˮ֡ë(x)Y(ji)ˮָˮڹww|ë(x)Y(ji),Mڹww϶еˮճˮָճСwˮ(ni)ˮָ:(x)(ni)ˮ
ˮֵȥk£
1϶ˮsռˮֵ70%cֱӽY(ji),cex,ˮֽ(jng)^(gu)s@p
2ë(x)Y(ji)ˮsռˮֵ20%ˮȥʩcë(x)ˮ폈෴xęC(j)x
3ճˮsռˮֵ5%ˮֱë(x)Y(ji)ˮyex,x늽|(zh)M(jn)Єexxûk(jng)^(gu)zww˴߳ˮ֣ɽ(jng)^(gu)exkȥ
4(ni)Y(ji)ˮsռˮֵ5%ȥ(ni)ˮ횓pļ(x)Y(ji)(gu),ʹÙC(j)еkyЧ,܉xüӟkD(zhun)ⲿˮ̎,Ҳ܉(jng)^(gu)ַֽȥ
һsɌˮʽ85%(ˮr)ˮ70~75%r(sh)ܛr(dng);һһÓˮֻɽ60~65%˿̺(jin)ֱɞwˮʵ͵35%~40%r(sh)ʾɢr(ǰɻr);M(jn)һ͵10%~15%tʷĩ