名词
中文翻译：刷石分离器
同义词：
['stone brush', 'stone separating machine', 'stone separator']
例句：
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1. The stone separator is used to separate the sand from the gravel in the riverbed.
石分离器用于从河床的沙和砾石中分离出来。
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2. The stone separator was designed to improve the quality of the gravel for road construction.
石分离器被设计用来提高道路建设用的砾石的质量。
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3.The stone separator is an essential tool for maintaining the cleanliness of rivers and streams.
石分离器是维护河流和溪流清洁的关键工具。