composite pellet meaning in Chinese

复合球粒
复合球团矿

Standard specification for nuclear - grade aluminum oxide - boron carbide composite pellets
核纯级的氧化铝碳化硼复合丸料的标准规范
Standard test methods for chemical , mass spectrometric , and spectrochemical analysis of nuclear - grade aluminum oxide and aluminum oxide - boron carbide composite pellets
核纯级的氧化铝碳化硼复合丸的化学光谱和光谱化学分析的标准试验方法