名词
中文翻译：Unknown
同义词：
['centerpiece assembly', 'hub assembly', 'core assembly']
例句：
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1. The engineer carefully assembled the new machine's centerpiece.
工程师小心翼翼地组装了新机器的中心部件。
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2. The team assembled the components for the new project quickly.
团队迅速组装了新项目所需的部件。
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3.The assembly line was a hub of activity in the factory.
装配线是工厂中活动最频繁的地方。