名词
中文翻译：内部模具
同义词：
['internal fixture', 'internal structure']
例句：
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1.The engineer designed the internal mold for the new machine.
工程师为新机器设计了内部模具。
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2.The molding process requires precise control of temperature and pressure inside the internal mold.
注塑过程需要精确控制内部模具的温度和压力。
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3. The company's internal mold is a key component in their product development process.
该公司的内部模具是其产品开发过程中的关键组件。