{
    "task_id": "20250706-01",
    "project_name": "18号线二期工程",
    "section": "停车场工作井上行",
    "slump": "50~70 mm",
    "mix_ratio_id": "P2022=001",
    "request_status": "请求中",
    "material_grade": "C50P12",
    "volume": "2m³",
    "request_time": "10分钟后",
    "car_status": "移动后"
}