革新革新本版本变更造纸厂paper_mill_advancein_game/common/advances/1_building_unlocks.txt:537利用棉花制成的布匹，造纸厂将能生产更多纸张。需要印刷厂革新requires革新树工业革命热风高炉印刷厂造纸厂木浆纸定义in_game/common/advances/1_building_unlocks.txt:537538age = age_6_revolutions539research_cost = -0.75540unlock_building = paper_mill541requires = printing_mill_advance
印刷厂革新requires
印刷厂革新requires印刷厂革新requires