生産方法/製鋼所·生産方法このバージョンで変更製鋼所steel_mill_maintenancein_game/common/building_types/pure_one_level_productions.txt:163定義in_game/common/building_types/pure_one_level_productions.txt:163164iron = 2.963165coal = 2.963166produced = steel167output = 4169debug_max_profit = mills_profit_margin (0.35)170category = mills_input