General Materials and Equipments 通用材料及设备
General Materials Handling 一般原料处理
magnetic materials for general purpose 专用磁性材料
Insulating materials in general 绝缘材料综合
General rules for metallic materials 对金属材料的一般规则
General Building Materials 普通建材 ; 综合类建材
And there is a comparison with others general materials.
并和已知的常用材料作对比。
Some general materials for the grinding balls and lining boards in ball mills of cement industry were reviewed.
在简介磨球、衬板磨损和失效的基础上,评述了国内外水泥工业管磨机所用磨球、衬板的常用材质。
As a kind of complex material, the aluminum base microwave printed circuit board has a different cutting mechanism from general materials.
铝衬微波印制板作为一种复合材料,其切削机制不同于一般的金属加工。
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