boracium造句
The layer's fast formation dues to the
boracium atom's fast diffusion.
渗层的快速形成主要是硼原子在渗层中快速扩散的结果.
Determinating content of
boracium by volumetric analysis of sodium hydrate was more accurate than other ways.
氢氧化钠容量法测定硼铁中硼含量比其他方法的测定准确度高,因此采用氢氧化钠容量法较为实用.