122 5001 生產成本 production cost
123 5101 制造費用 cost of production
124 5201 勞務成本 service cost
125 5301 研發(fā)支出 research and development expenditures
126 5401 工程施工 建造承包商專用 engineering construction exclusively for construction contractor
127 5402 工程結算 建造承包商專用 engineering settlement exclusively for construction contractor
128 5403 機械作業(yè) 建造承包商專用 mechanical operation exclusively for construction contractor