名词
中文翻译：轴底部
同义词：
['shaft base', 'shaft end']
例句：
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1.The machine has a shaft bottom that is designed to fit perfectly into the hole.
这台机器有一个设计得能完美插入孔的轴底。
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2. The engineer carefully removed the shaft bottom to inspect the inner workings.
工程师仔细地移除了轴底，以检查内部结构。
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3. The construction of the building was completed with a shaft bottom that provided excellent support for the structure.
建筑的建造完成了，轴底提供了对结构的优良支撑。