革新革新本版本变更印刷厂printing_mill_advancein_game/common/advances/1_building_unlocks.txt:529运用化学制剂与更耐用印版的新技术实现了书籍的大规模生产。需要热风高炉革新requires革新树工业革命热风高炉印刷厂造纸厂 之后还有1项定义in_game/common/advances/1_building_unlocks.txt:529530age = age_6_revolutions531research_cost = -0.75532unlock_building = printing_mill533requires = hot_blast_furnace
热风高炉革新requires
热风高炉革新requires热风高炉革新requires