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תڰ|רҵľƽ̨|ܹʽҪעڰ|רҵľƽ̨|չ,˸ӦʹƷڰ|רҵľƽ̨|ڰ|רҵľƽ̨|ʵʽǶȳ,ڶӦʹòƷΪһ,ӦʹòƷ,,ÿ˶ܹȷʹ,ڰ|רҵľƽ̨|ܵõڰ|רҵľƽ̨|Ч

ʩ̰ģߣģþȻþϡۡ֬Ӧڰ|רҵľƽ̨|̼άɡУǹ˾ڰ|רҵľƽ̨|ٷֱ:þ(Ȳ90%)90%ȻþˮҺ50%ϡĩ10 ~ 15%֬5% 10%˾ż̼ά巽();



(1)Ȼþˮ3:2ڰ|רҵľƽ̨|УʹȻþȫܽ⣬ʹҺڰ|רҵľƽ̨|þȴﵽ26-30

(2)þΪϡ۳ֻϣá

(3)֬Уʵڰ|רҵľƽ̨|żȻþҺȽϣþϡĩž壬ֽɺ״ճࡣ


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