{
"extendsFields": [
    {
        "fieldName": "建筑类型",
        "Alias": "建筑类型",
        "DataType": "varchar",
        "DMAlevel": "2,3,4,5"
    },
    {
        "fieldName": "用水类型",
        "Alias": "用水类型",
        "DataType": "varchar",
        "DMAlevel": "2,3,4,5"
    }
]
}