名词
中文翻译：粗碎机
同义词：
['crushing machine', 'coarse crushing machine']
例句：
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1. Thiscoarse-crush machine is used to crush large rocks into smaller pieces.
这种粗碎机用于将大岩石破碎成小块。
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2. The coarse-crush machine was designed to improve the efficiency of stone processing.
这种粗碎机的设计目的是为了提高石料加工的效率。
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3. The coarse-crush machine has been proven to be an effective tool for rock quarrying.
粗碎机已被证明是开采岩石的有效工具。