Arsenic in coal

• 煤中砷

Arsenic in coal的用法和样例：

例句

1. Arsenic in whole blood was determined directly by GF AAS.
   研究了石墨炉原子吸收光谱法测定全血中砷的方法。
2. But it turns out that the coal contains abnormally high concentrations of arsenic and fluorine.
   可是科学家发现，贵州的煤炭中砷与氟的含量异常地高。