革新革新木浆纸paper_guild_wood_pulp_maintenance_advancein_game/common/advances/3_production_method_unlocks.txt:17利用随处可见的软木材，纸张生产将变得比以往更容易、更便宜。需要造纸厂革新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/3_production_method_unlocks.txt:1718age = age_6_revolutions20unlock_production_method = paper_wood_pulp_maintenance22requires = paper_mill_advance
造纸厂革新requires造纸厂革新requires造纸厂革新requires
