(zh)И(bio)(zhn):gb/t20784-2006r(nng)I(y)(32̖)ƷڵӛB(ti)(n)13%,k2o44.5%
tjbhuiľ(VVʩ)(20+:1+z1)*2
a(chn)Ʒc:
ľ⛡һN߿Ƽa(chn)Ʒ,M(jn)a(chn)⛞Ҫԭ,e(:)(yu)ȼg(sh),Y(ji)ֲLA_l(f)Ƶ͏VVsֲIB(yng){(dio)(ji),(ء(ni)жNֲLĵ⛡ֲ(f)ЙC(j){|̦(ni)ͶNԪزüg(sh)϶),c,,ߝȷ(wn)Ч:Чһȫ12СrաM(jn)IB(yng)ƽЧֹͮa(chn)ƷȾ,a(chn)Gɫor(nng)a(chn)Ʒķڇ(ni)20ʡеƏVͶNԇȡeõЧ
1ƷeӴM(jn)ϹLl(f)c|(zh)T(do),IB(yng)ƽ⡣䷽ƌW(xu):Ʒ|(zh)ɫ̓\úƷ|(zh)ý(jng)(j)Ч,տеĵ,Ѹٺͷֽй̶Ͳ˱յ⛼a\Fifϡȱ70NԪ
2Ʒx͝ɟL(fng)̉Aز硢ܽʺT(do)l(f)M(jn)ϵl(f)_(d),ϵՠIB(yng)@,߸ϵ
3Ʒֲ,T(do)l(f)ѿֻ,ٸɫڷ,ڼӿLl(f),ƽIB(yng),L,o,ǰ,仨M(jn)l(f)c,A(y)͜pѹĸĚιsСȹl(f)Y,Lr(nng)^ڼ,߮a(chn)25%~60%
4ƷA(y)Ϲ~S~~~~s~ȱذY,ø,~G~,~Gغ,(yu)ݻa,o,ЧͨҺʵĎʮװٱ,10犃(ni)ͿɳʶcֲPϵѸنLϵy(tng),C(j)(yu)ֲM(jn)(x)ԭ|(zh)Дಡ,NøĻԡ˴,ʹֲ꽡Ѳ@p
5õB(yng)ጷ{(dio)ع,B(yng)ǰڲ̫,B(yng)ֲ̫,ƽ,F(xin)ӑB(ti)ƽp},Ⱦh(hun),_l(f)oB(ti)r(nng)I(y)͟oa(chn)Ʒ,ʹa(chn)cƷ|(zh)pʩñƷ߹Ϲ}AͿɟL(fng)
m:
]ʹ:1.ƷmСˮ֥ͲJSϡ۲ˡ{(ln)ǡN~,ϡܹϡ~t^ɽˎ[ܡˎֈ@ľʳþȶN
ʹ÷:
1.Ҏ(gu)ʹÿˮ30~50,кÿˮ20~30
2?()ÿˮ30,кÿˮ15~20ʩ,Zʳʩ2~3,(jng)(j)3~5ȱʵ؉Km(dng)ӇʩΔ(sh),gС5~10
ע:
1.a(chn)Ʒʹ10cǰ,4~5c,(ļc)ʩ,Y(ji)Ӱ|(zh),10ַN겻ӰˎЧ
2.ڻҬmÿˮ60,rgͬ
3|(zh):5a(chn)ҊϸCa
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