L(fng)ܷ(wn)N(li)ʹÈ(chng)ϲͬ߂䲻ͬԣm÷dzV҂?c)xr(sh)P(gun)עr(ji)⣬߀(yng)(du)N(li)һ˽P(yng)L(zhng)̣ܶ܉ҵmʹõIJ҂ռYϾ@ƪ˽ϴ첣xע(xing)B(sh)(yn)ôϴxһϴ첣xע(xing) 1xϴ (1)ُ(gu)I(mi)IJx泣xĉA|(zh),0.5%ȥۄϴˢ,ԁ(li)ˮϴ,Ȼ1%~2%}Һ^(gu)ҹ(Сr(sh)),ԁ(li)ˮϴ,֮ȥxˮ_ϴɵ,ڼς. (2)(du)ʹ^(gu)ăx,ԁ(li)ˮϴˢo(w),ȥ۷ۻϴҺϴ,ԁ(li)ˮϴ,֮ȥxˮ_ϴɵ,ڼς