商品需求·商品需求铁路维护maintain_railroad_demand商品需求0.01砖块0.002沙砾0.01钢关联隶属于 1·建筑维护类别引用 3砖块Masonry沙砾Sand钢Steel被引用于 1·铁路维护商品定义in_game/common/goods_demand/special_construction_demands.txt:74sand = 0.002masonry = 0.01steel = 0.01category = building_maintenance历史记录