生産方法/米国造幣局·生産方法米国造幣局維持費usa_national_mint_maintenancein_game/common/building_types/event_only_buildings.txt:3910定義in_game/common/building_types/event_only_buildings.txt:39103911paper = 1.03912goods_gold = 1.03913silver = 1.03914category = building_maintenance