生产方式/美国铸币局·生产方式美国铸币局维护usa_national_mint_maintenancein_game/common/building_types/event_only_buildings.txt:3910定义in_game/common/building_types/event_only_buildings.txt:39103911paper = 1.03912goods_gold = 1.03913silver = 1.03914category = building_maintenance