名词
中文翻译：回旋筛
同义词：
['reciprocal sieve', 'rotary sieve']
例句：
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1.The reciprocating sieve was used to separate the grains from the husks.
回旋筛用于将谷物与壳分离。
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2.The rotary sieve is a useful tool for cleaning up the sand and gravel in the riverbed.
回旋筛是一种有用的工具，用于清理河床中的沙和砾石。
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3. The reciprocating sieve was used to remove impurities from the water before it was filtered through the filter.
回旋筛被用来在过滤之前从水中去除杂质。