名词
中文翻译：球形石墨滚柱
同义词：
['spherical graphite roll', 'spherical graphite rod']
例句：
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1. Theengineer used a spherical graphite roll to create the intricate design on the machine.
工程师使用球形石墨滚柱在机器上创造出复杂的设计。
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2. The spherical graphite roll was crucial for the smooth operation of the machine.
球形石墨滚柱对于机器的平稳运行至关重要。
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3.The spherical graphite roll was carefully installed to ensure the accuracy of the machine's measurements.
球形石墨滚柱被仔细安装，以确保机器测量的准确性。