The agriculturist, Wang Chen-ho creations of wood for insertion of success, he also invented the punner racks, with a simple machine, increasing the efficiency of the typesetting.
到了元代,农学家王祯创制木活成功,他还发明了转轮排,简单机械,增加排效率。
The agriculturist, Wang Chen-ho creations of wood for insertion of success, he also invented the punner racks, with a simple machine, increasing the efficiency of the typesetting.
到了元代,农学家王祯创制木活成功,他还发明了转轮排,简单机械,增加排效率。
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