selected materials meaning in English

用料上乘

Materials databases for selecting material and its applications
材料数据库在选材中的应用
Select materials to control insolation and insulate for maximum benefit
选择适当物料，以求达致最佳隔热效能。
The craft determines what carved jade in the craft course selected materials
工艺鉴定就是琢玉工艺过程中的选料。
Selecting material and manufacture processes for forming die of refractory brick
耐火砖成形模的选材及制造工艺研究
Index numbers of the costs of labour and selected materials used in government contracts
政府合约的工资及材料成本指数

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