禾草人工草地
artificial grassland of perennial grass
成功成本法
successful-efforts costing
人工成本
Labor cost
labour cost
cost of labor
balanced injection and production rate
人工成本指标体系
labor cost analysis index system
人工成孔工艺
manual excavated technology
人工成孔锚杆
artificial hole forming anchor
生产人工成本法
productive labor cost method
直接人工成本变异数
direct labor cost variance