名词
中文翻译：减少器
同义词：
['reducer', 'reducer machine']
例句：
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1. The reduction crusher is used tocrush large rocks into smaller pieces.
减少器用于将大岩石破碎成小块。
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2. The reductioncrusher is an essential tool for metalworking.
减少器是金属加工中必不可少的工具。
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3. Thereduction crusher was designed to improve the efficiencyof the mining process.
减少器被设计用来提高采矿过程的效率。