matched test sieve

例句：

1. 1. The matchedtest sieve was used to separate thegold from the other metals.
   使用匹配测试筛来分离金与其他金属。
2. 2. The matchedtest sieve was used to analyze thechemical composition of the sample.
   使用匹配测试筛来分析样本的化学成分。
3. 3. The matched testsieve was used to identify any contaminants in the sample.
   使用匹配测试筛来识别样本中的任何污染物。