名词
中文翻译：Unknown
同义词：
['broadening of line', 'line expansion']
例句：
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1. The company has been expanding its line to include more products.
该公司一直在扩大其产品线，包括更多的产品。
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2. The line broadening is due to the increase in demand for the product.
线宽扩展是由于对该产品需求的增加。
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3. The engineers are working on a project that will broaden the line of communication between departments.
工程师们正在致力于一个项目，该项目将拓宽部门之间的沟通渠道。