系统材料库 SystemMaterialLibraries

生态系统材质遮罩 EcoSystem Material Masks

微机电系统材料 Properties of MEMS materials

系统材料研究公司 Systems & Materials Research Corporation

水系统辅材 Piping accessaries

统计材料准确度 accuracy of take-off

材料统计 Material Take-off ; Material Statistics ; Take-off

天然石材统一编号 Unified catologue for natural stone