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תů߲̣Ϸ뱱߲˿ʼУϱ߲˵Уг߲Ȳӣ߲˼۸䡣Ҷ˼۸ƱȽԣˡ²ˡˡˡ˵ȣ۸ƽµ20%
˵ȻһļУԴëΪĿǰѴﵽ50ϣÿ4.6Ԫȥͬڼ۸ȣ½36%ĿǰԴҪԸ飬ԤµݴëС
ʱˮƷСϺˣڽ±ߣϺӦڱȥҪǰһµʱ䣬ÿ57Ԫȥ42Ԫ/ͬȣ35%ĿǰչӦֻܶ࣬500ҡ
ռյֳ״̬۸棺Ƽļ۸С֮⣬Ʒּ۸ȽƽȡĿǰƼÿ6.4Ԫԭ۸С2%
·ȶ۸µ³8.4Ԫ/µڵ8.0Ԫ/ϺãԤ⣺תůӣ۸仯
ÿ15.6Ԫ۸ȣƽ
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