名词
中文翻译：精制股票
同义词：
['refined capital stock', 'refined common stock']
例句：
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1. The company's refining stock has been rising steadily since the beginning of the year.
该公司的精制股票自年初以来一直在稳步上升。
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2. The refinery is producing refined oil that meets international standards.
该炼油厂生产的精制油符合国际标准。
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3.The investors are looking for a way to refine their investment portfolios.
投资者正在寻找一种方式来精炼他们的投资组合。