含砷化合物用于治疗癌症已有几百年的历史。
Arsenic containing compounds have been used as cancer treatment for hundreds of years.
废水处理后的污泥含有大量的有害物质，其中的砷及其化合物对环境危害极大，因此，对含砷污泥的安全处理与处置研究，有重要的现实意义。
The arsenic in the sludge is very dangerous, so it is important to find the methods for the treatment and disposal of the arsenical sludge.
含砷的化合物作为杀虫剂可用于保存木头，在其他一些工业中也有应用。
Arsenic compounds are used to preserve wood as pesticides and in some industries.
含砷的化合物作为杀虫剂可用于保存木头，在其他一些工业中也有应用。
Arsenic compounds are used to preserve wood as pesticides and in some industries.
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