Children with s. haematobium almost always have microscopic blood in their urine and this can be detected by chemicalreagent strips.
埃及血吸虫病患儿的尿中几乎始终有微量血，为此可用化学试剂条进行检验。
2
Silver nitrate is an important laboratory reagent for performing chemical analyses.
硝酸银是进行化学分析的一种重要的实验试剂。
3
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