It is convenient to substitute carbon powder patterns or characters for the printing matrix in the gold blocking machine.
在烫金机中用碳粉图案或字符代替打印矩阵很方便。
Methods: Using the matrix modifier, cadmium in the bean milk powder was determined with GFAAS.
方法：应用基体改进剂，用石墨炉原子吸收光谱法测定豆奶粉中的镉。
The mechanical and physical properties of particles reinforced copper matrix composites for heat sinks produced by powder metallurgy are studied here.
本文研究了用常规粉末冶金工艺制备颗粒增强铜基热沉复合材料的机械物理性能。
应用推荐