带着工业革命系统回明朝

第四章 铁与煤炭(2/2)

˵ңңڵʮ󶩵˵ɱǴá

սɿмˣ¹Χĺһ׵ص㣬פڵصijɱڽʱලǾͲ±̶ӺڳԺˡ

ǾǩЭɡ׼ʱҾʹϵƯȥߺȲ衣΢Ц

үЦɿãϷ಻áԶ˲ͷϵ亹

ʵdz̫ҪõԭϣȻˣԲŻºݻ

Զǩ˺¼ԶЭϰӡ󣬳һ

֪ȵԶһºЩϵ¹ϵҪΪ֮һˣ

֧17**ǹװӵĻҲʹ֧սǿԶԶԺȻҪʮڵװϧò

Ҫʵ۽ÿɶ߹صʮʮ֮һңҾѵһ֧ǧ˵Ļǹӣʲô

ֹ

Ķʵûˣο͢ﻹжֺͻ¹ȨƿɲԼδ롣

û˳ֻ͢Լ취Ǯˡڳǰ·

һȥڹ¹Ķ棬ǹĺȥ˵Ǯ׳Լ

һ⣡ط⣬Ժͺ⣡

ϸãԼѡ񡣵һĿǰDzܵģԼȥӵʮĺ𣬲ֹʲôҲûˡ

ڶǿСֻԼϲûκֵúͱ˽׵ĶԼֻҵʿǻҪѵѵҪȥˣ

룬ͻȻ뵽Լе·ҵϵͳ

Ƶ㿪òõĹҵϵͳֻע¼ƿ֯һ棬һʮϤͼꡣ

Ҳݷ֯ô᲻⼸ֵķ

㣡ƼЪ˹

棬ݷ֯Ҫ50㡣㻹45㡣棬ݷ֯Ҫ50㡭ϵͳ

ۣҪץˣ


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