ձrڳF(xin)5Ѯ7Ѯʢ3^(yn)һƷNʞ10%-20%ˣձ(yu)|(zh)߮a(chn)Ҫʩ֮һ
1_ˮ(yng)ˮl㡢ɘݜpڷ۲仨Ҫԭ֮һѿ20-30Y(ji)䴺ֹͣL@ʩڷʵĺÕrC(j)@rʩЧڠIB(yng)ˮƽg@667ƽʩ15-20ǧSˮ1500ǧң7³ʩķM(jn)(sh)LԵʞ⛷һ667ƽʩ15-20ǧ10-15ǧˡ^}20ǧ
2ڭh(hun)仨ʱ^ߵƷNɲûڭh(hun)h(hun)ĴʩʹϮa(chn)D(zhun)\(yn)roMwǣϾ20_ʼh(hun)ČȞֱ110,һ0.30.5ףƤ^Ӱ푘h(hun)_(d)γɌӞޡͬrעⱣo(h)^øh(hun)С䲻^硣Ҳɲȡֲh(hun)h(hun)oB(yng)֦⻨ڷŷ˹ڷۣ@
3ʩùغ͠IB(yng)Һʢڿɇʩ20-30ˣǧ˵ijùˮҺǰʩ״O.3%⛡0.2%غ0.3%ɰҺ
4軨Y(ji)^࣬tС|(zh)ƷN_ڌ^ĻٻB(yng)M(fi)һ㰴ÿY(ji)֦2-3(yng)IB(yng)~15-20ƬĘ(bio)(zhn)軨ٕr(yng)(j)ƷNY(ji)֦LLԼڽY(ji)֦ǶȲͬһ_ĴƻY(ji)Ĺl(f)Y(ji)֦һ֦2-4r·^_Եڶ^軨rt(yng)Mڶһ֦t^_Ļuȶ軨rt(yng)M͵ĻͬrM^ĻСȥ^ô7-8M(jn)һƷN20~1СƷN15~1
5ļ֦l^ܡŃ(ni)֦~^ͨL(fng)loЧ֦~(do)仨(dng)ڃ(ni)Ż֦ϰl(f)֦^ܕrҪr֦͂(c)֦Ƕ^Сrľ|(zh)ǰ뷽֦Ժ֦lLһLȺ뷽ٴ֦
6xβxΣҲ仨xɸʵҪx6-7ժ^x麦߀ںͰl(f)ڇʩ50%50%50-l00Һγͬrעö`~߲
һƪ O һƪ ѹ(ji)ˮ༼g(sh)DD