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ԶïɭڣһðȻ
ڵСɶŲԶֻħ
ÿֻħף߸ͷһԵСɻ
糤˽ţСɶֱӴӵϱ۾ˤ䵽Ҳ˲ãͣŴ
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ĸ㣡ͿСʹĹѾҫˣҪDzŬСʹDZģҼ٣
꣬ܵѾļðľǰԥ˽롣
12ðסСʹĿ佱¼
һߣԭνײ̫ϣСɶĽʱ°Ͳ
ҵ죬լô𣿡
Сÿɰ׳հլ㳤20ijʽܰ棬˴˴νס
СɶͻȻͷײذ巢ؼңҵ䶯棡մȹڻҳĨͻȻȫ̥ƣǼ㡭ĭ
ɿСɶĻظһա
ģۿСȽȻͬһ档
ǰСһм˵棬ֵĿʼ·εУȫѩĶë
εҡҡͷ߳ӣȻûлعͷҲܸо̽
ǵĺģ
ͣ٣ֽ˵
ˣˣЪһɣҲóԷˡ
ظƣŸӡصڣΧڻѱϢ
ǰںʹ˫һСʱͿ19ľʱΪ˸ϽȣҲþȫʵеƣЧ
һһʱܹ51
ϴˮǷźȣܹ2lˮСĵͷƿٺȡ
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ˣǻпõĺǰdzԡ
˵֮ҲἸ˵ķӦ½Ĺܡֿ⡿ʡ
֮ǰɫ䡿ʱӴƷɾЩͷۡ
ϾʾС100Ʒ
ɻΪҪõƷڿյϣдӡɫ䡿еõʣȫִ޳ֵġֿ⡿С
Ϊ1000ֻܴŷϡɫ䡿еIJʡ
ǽõ12ŰԼ70ǷҪֱӴŽֿ⡿
ЩľĴŵIJֿԸֱ۲鿴ľĶһ
ƽܳ80ףҵͨľԶһһһľģ1:1
˵ͬСľŽֿԺƽá
ԭȣеһľԶһ20һľģ1:20еֻܶһ10һľģ1:10
еľһƽһҲֻܶһ15һľģ1:15
ʱٴһľһܶһ20һľģôҲᱻľƽ̯
ƽÿһľܶһ152һľģ1:152
ľЩرܶһһľģȴֿԶһɶľģ1:3
Сɶ12ƽһܶһ80һľģ1:80ȴһɶľġ
12İʹﵽ600һľĵ
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ɰЩľõ
ֿ⣨787/1000
ľx221:151:3
ͨľx481:1
x121:80
һľx440
һʯx250
һͨòx15
ɵʹñеġͼֽ
ȷġͼֽ1/1һľġ600/600һʯġ200/200
ѡá
Զorֶѡ
ǰһ3dģ͡
100OΧյ100O
ԭ100OΧǰСӵĿյأ100OǰԺ