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ʮٵߡ
ǡȰ
ҫֱӴϣûпǡ
תţɣ100ȻũĵӣɹҵίԱȫ̶졪밴ʱɣ
뿪ϴҫšű˵רõġ֡
һҿմ3800֡5800ֵĽ֣ڳͶɺСڵĿľ輸ϰȲ裬ǻֽԲ⡣
̲סˡ
ΪͻȻҪô֣üͷǧԪСĿũòǮ
ҫû̻ش𣬶ǻ˻֣ʾڵķԱȫ¡
ŹϺҫŻڣͳأλ̫ƽдˡ
ͷһ
ʲôѣæʵ
ҫһ³ĸ֣îġ
îģűһ㶣ɶî1877꣬ڲ1873ꡭ
ҫĿ䣬֪
ǡ桱֪ͨˣ
̽Եʵʦ˵д
ҫͷɽӱϡɽʡӺ꿪ʼͻк飬һֱʮꡣ
šűͲ֪˵ʲô
ʮͶʮ꣬ﵽ壬ʱǧҰ
ôģΪ䱱ˮ꣬𣬳֣͢´ҡ
̫ƽӵ˿ڣһ٣ʳΣ룡
ҫĻһеԹϵˡôܹܣ̫ƽȨĶ˰̫ƽ갡
ɫףʦ˼ǡǰ
ҫҡͷ
ϡ㡢ʳһܸԣ٣ɽʡڼĶӡ
Ψһİ취ǴӺ
ָ⣬ֽͣġһš
100̫ƽľ
Ҫ̫ƽޡϡӡȡ˻ʳҫ˶٣ͬʱ
һ3.5Σһһ4.2ʳ100420ָ֣ͷɢҲ˰һ3000ˣ100һξ30һ3.5ξϰʮߡʮ˳ȥ820ʳ̫ƽܰȻɽˡ
šűľ
ףҫΪ˼еҪ100
ⲻͨĶ
̫ƽ
ʻڣķ˽ҡΡ
ҫվڼװϣԶĺƽߣĬ
ߵԣʦ˵дھ͵ÿʼˡ
ҫͷѾʼˡ
ũѾޡϡצչ㣬ǰʳӦϡҲ
תȷ˰ȫ
ȻģӥһۣӢһǵĻ֡
ҫĿϣˡѹͣӢҲҶǶ֣ǺλѾͲ˵ˣһһٶټ̫ƽ˿ڣ¶îĹϻӹ.Ķ
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