S飬j(lu)GSwSܺáɢʧˮ^c(din)SNСܵȾNr(sh)(chung)õh(hun)ǼҪġ
SL^ǰ߲uSԽǰ߲Ҫֺ~Ƭ~Ƭ߶Σ^(x)СʬF(xin)ˮnֱʬF(xin)ɫD(zhun)ɫ(do)~ƬɿÓSLܵ(yn)صӰ푡SԽǰ߲һNS(x)UȾԭgIJ~?bo)wԽNÓ^ճڷNӱԽɞȾľԴԭˮM(jn)Ђ~Ƭ벡ԭ(x)ӏ(qing)gĹxƷNõķNҪʩ⛷@(qing)ֲĿ
ȡЧĴʩM(jn)зSԽǰ߲ڲNNǰM(jn)r(nng)ùػֲùػ88%ˮùػ20%a(b)ɝ3000ҺN2-3Сr(sh)rɲN燊ˎA(y)زڳl(f)^(q)(yng)ڇˎA(y)1-2Σ7-101ڰl(f)ǰl(f)Bm(x)ˎA(y)ز2-3λ7-101ΣˎNʹõˎ߀ɇʩ77%ɚÑҸ800Һ30%Ȼ~600Һ0.5%-1%ʯұʽҺ߀ԇôɭ@ˮע⽻݆Qʩǰܺ㡣