名词
中文翻译：内伸部
同义词：
['extension', 'inward expansion']
例句：
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1.The engineer designed the new machine with an inward extension for better efficiency.
工程师设计了这台新机器，具有更好的效率的向内延伸部分。
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2. The company's growth is largely due to its ability to inwardly extend its reach into new markets.
公司的增长在很大程度上归功于其能够向内延伸其触角进入新的市场的能力。
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3.The research team has discovered a new method of inward extension that could revolutionize the field.
研究团队发现了一种新的向内延伸的方法，可能会彻底改变该领域。