йƶƱʾǰӪҵ3269.77Ԫ,ͬ8.9%Ϊ839.35Ԫ,ͬ1.8%,ƽÿ쾻׬3.1Ԫ⣬Ӣг鹫˾PortioResearchµȫǰ20ƶӪаӪնΪ׼йƶ575Ԫλӵһ
ֻûƶƽÿ쾻׬3.1Ԫ²ֵҫΪֻѡײ͡ηѡѼ㷽ʽȶŲ⣬رηѣб˵γɱӽ㡱ƶӪˡܴò£ڴ󶼻 0.6Ԫ/ӣ0.4Ԫ/ӡĸ߱׼ȡηѡ
ߣƶͨҵУ10%ĺ٣ƶͨҵʲ1%ҹȴܴﵽ20%ϡС͹ʽӹ족Ľ죬Ȼһ̫
ƶӯȫһ˵ƶǮôǲӦʶʱȡηڵһвշѣſ

