金属材料评价
Evaluation of metallic materials
生物材料评价
evaluation of biomaterials
材料效果评价
Material effect evaluation
材料价差
material price discrepancy
Price difference
material price difference
材料价格风险管理
risk management of material prices
材料价格指数
Construction cost indexes
复合塑料材料
composite plastic material
环境友好塑料材料
environmental friendly plastics material
木塑料材料辐照
wood plastics material irradiation
木-塑料材料辐照
wood plastics material irradiation