As a new type tool material, the excellent capabilities of silicon nitride ceramics cutting tools ravel out many cutting problems of super hard materials.
氮化硅陶瓷是一种新型刀具材料，其优良的切削性能解决了超硬材料的加工难题。
A new type of material of magnetic shielding coating in low frequency is made out. Through analysis of theory and tests, the ability of shielding in low frequency of the material is proved.
研制出一种新型的低频电磁波磁屏蔽材料，通过理论分析和试验，证明其低频电磁波磁屏蔽性能。
应用推荐