名词
中文翻译：加法线
同义词：
['adding line', 'addition line', 'adding line例句：1. The engineer used the addition line to calculate the total cost of the project.（工程师使用加法线来计算项目的总成本。）2. The construction company decided to use an addition line to improve the quality of the building.（建筑公司决定使用加法线来提高建筑物的质量。）']
例句：
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1. The engineer used the addition line to calculate the total cost of the project.
工程师使用加法线来计算项目的总成本。
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2. The construction company decided to use an addition line to improve the quality of the building.
建筑公司决定使用加法线来提高建筑物的质量。
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3. The math teacher taught us how to draw an addition line on a graph using a ruler and pen.
数学老师教我们如何使用直尺和笔在图表上画一条加法线。