革新革新本版本变更火药厂putrefaction_mill_advancein_game/common/advances/1_building_unlocks.txt:544通过增加用于浓缩硝石的锅炉数量并提升其可靠性，我们能在不依赖昂贵进口的情况下，提高部队的火药产量。需要冲天炉冶炼工艺革新requires革新树工业革命热风高炉冲天炉冶炼工艺火药厂定义in_game/common/advances/1_building_unlocks.txt:544545age = age_6_revolutions546research_cost = -0.75547unlock_building = putrefaction_mill548requires = cupola_smelting
冲天炉冶炼工艺革新requires
冲天炉冶炼工艺革新requires冲天炉冶炼工艺革新requires