名词
中文翻译：粉末铁
同义词：
['iron powder', 'ferroporphyrin']
例句：
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1. Thepowdered iron was used to make thepaint.
粉末铁被用来制作油漆。
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2. Theiron powder was mixed with water to forma paste.
将铁粉与水混合形成糊状物。
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3. The powdered ironwas used as an ingredient in the chemicalreaction.
粉末铁作为化学反应的原料使用。