boron carbide powder

• 碳化硼粉末

boron carbide powder的用法和样例：

例句

1. The EPMA result showed that the microstructure and composition of B4C powder and coating were quite different before and after oxidation.
   电子探针分析结果表明，氧化后碳化硼粉末和涂层的结构和形貌均发生明显变化。