名词短语
中文翻译：机动车辆辅助生产成本
同义词：
['Auxiliary transportation costs', 'Auxiliary production costs', 'Auxiliary transportation expenses']
例句：
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1. Thecompany's main business is the manufacturing of motor vehicles.
该公司的主要业务是制造机动车辆。
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2. The auxiliary production costs for this project are quite high.
这个项目的辅助生产成本相当高。
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3. To reduce the auxiliary production costs, we need to improve our efficiency.
为了降低辅助生产成本，我们需要提高效率。