生产方式本版本变更

锻铁工具厂

iron_mill_maintenancein_game/common/building_types/production_tools.txt:162

定义in_game/common/building_types/production_tools.txt:162

163iron = 2.5393

164coal = 0.6356

166category = mills_input

167produced = tools

168output = 4

170debug_max_profit = mills_profit_margin (0.35)