122 5001 生产成本 production cost
123 5101 制造费用 cost of production
124 5201 劳务成本 service cost
125 5301 研发支出 research and development expenditures
126 5401 工程施工 建造承包商专用 engineering construction exclusively for construction contractor
127 5402 工程结算 建造承包商专用 engineering settlement exclusively for construction contractor
128 5403 机械作业 建造承包商专用 mechanical operation exclusively for construction contractor
