{
"commencement_date":"2023/2/1",
"completion_date":"2023/7/25",
"total_days":"174",
"time_nodes":[
"node":"2023/2/1",
"info":"开工"
},
"node":"2023/3/1",
"info":"护栏拆除"
"node":"2023/3/25",
"info":"放置预制砼"
"node":"2023/7/25",
"info":"竣工"
}
]}