名词
中文翻译：轨道中心
同义词：
['pivot center', "bearing center例句：1. The train's bogie pivot center is located at the center of the track.（火车的转向架中心位于轨道的中心。）"]
例句：
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1. The train's bogie pivot center is located at the center of the track.
火车的转向架中心位于轨道的中心。
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2. The engineer carefully adjusted the bogie pivot center to align with the tracks.
工程师小心翼翼地调整转向架中心以与轨道对齐。
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3.During maintenance, the technician had to replace the bogie pivot center.
在维护过程中，技术人员不得不更换转向架中心。