名词
中文翻译：Unknown
同义词：
['manufacturing operation', 'production operation']
例句：
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1. The makingoperation of the new machine is very complex.
新机器的制造过程非常复杂。
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2.The company's production operation is highly efficient.
公司的生产操作效率非常高。
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3. The engineer made an important decision during the manufacturing operation.
工程师在制造过程中做出了一个重要决定。