名词
中文翻译：Unknown
同义词：
['Nickel raney', 'nickel rosin']
例句：
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1. This is a rare material that can be used in the production of Raney nickel.
这是一种稀有材料，可用于生产镍雷。
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2. The process of making Raney nickel involves heating and mixing metal powders.
制作镍雷的过程包括加热和混合金属粉末。
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3. Raney nickel is often used as an alloying element in the manufacture of tools and machinery.
镍雷常用于制造工具和机械的合金元素。