名词
中文翻译：核心主轴
同义词：
['central spindle', 'core shaft例句：1. The core spindle is the main part that holds the whole machine together.（核心主轴是整个机器保持在一起的主要部分。）2. The engineer carefully measured the length of the core spindle before installing it in the machine.（工程师在安装机器之前仔细测量了核心主轴的长度。）']
例句：
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1. The core spindle is the main part that holds the whole machine together.
核心主轴是整个机器保持在一起的主要部分。
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2. The engineer carefully measured the length of the core spindle before installing it in the machine.
工程师在安装机器之前仔细测量了核心主轴的长度。
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3.The core spindle was made from a strong material to ensure long-lasting performance.
核心主轴由一种坚固的材料制成，以确保持久的性能。