National life-saving equipment and danger sign standard data Update

For information on standard data attribute information (allowable values, expression format/unit, etc.) for providing public data, please refer to the [Public Data Provision Standard] document.若需了解提供公开数据所需的标准数据属性信息（含允许取值、表述格式/单位等），请参阅《公开数据提供标准》文档。