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5޼ɻ̬ϸ֧Բ֧ܣ̬ȵطֲ֧ϼȿɷֹ۶ϣͨ͸⣬ʹȳۡչȫչȫ˹ֳַ7溦ɻְ߲͸߳Σ50%ʪԷۼ1000Һ߳80%ȱ1000ҺҺΡͨ桢dzͺ֩Σ50%ɱ1000Һɱ

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3ʪȣڸĴȵļˮھ棬ΧҲˮȻ߿ʪȣ˹ֳַ2գϲůǼǿֱ䣬߷ĵطĵطļֱͨ䣬ܣȻ־ƣήɡڷĵطӰֻѿ䡣ڿͨĻֲ桢Ƿϵ

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2գϲůǼǿֱ䣬߷ĵطĵطļֱͨ䣬ܣȻ־ƣήɡڷĵطӰֻѿ䡣ڿͨĻֲ桢Ƿϵ󡣡7溦ɻְ߲͸߳Σ50%ʪԷۼ1000Һ߳80%ȱ1000ҺҺΡͨ桢dzͺ֩Σ50%ɱ1000Һɱ˹ֳַ8裺ɻÿÿ2껻һΣһÿһڴ^һΡлʵɳΪˡʱȥֳͿµҶ4֡԰3֡ѷ2֣ɳ1ֻƣǷʡ ĻȻʢҪ񣬱ҶƬǿȹʱΣҪڡɳּ⣬ղ㣬׿Ļشÿһרҵ𶼽Ȩ

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