实体定义
属性定义
序号属性名称中文解释数据类型必填
GfcRoot
GfcSteelDetail
1EntityIDGfcInteger
2NameGfcString
3DescGfcString
4LevelGfcString
5DiaGfcInteger
6NumGfcInteger
7BarLengthGfcInteger
8SingleWeightGfcDouble
9TotalWeightGfcDouble
10TieinNumGfcInteger
11TieinTypeGfcString
继承关系
GfcRoot
  └GfcSteelDetail