名词
中文翻译：研磨石槽
同义词：
['grinding trough', 'grinding stone trough']
例句：
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1.The machine is designed to grind stones for the construction industry.
这台机器设计用来为建筑业研磨石头。
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2. The grinding trough is essential for grinding small materials into a uniform size.
研磨槽对于将小材料磨成均匀大小至关重要。
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3. The engineer used a grinding trough to smooth the surface of the metal before it was used in the project.
工程师使用研磨槽来平滑金属的表面，然后将其用于项目。