名词
中文翻译：换挡杆臂
同义词：
['shiftlever arm', 'shift rod', 'shift linkage']
例句：
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1. The mechanicwas adjusting the shift bar arm tomake sure everything was in place.
机械师正在调整换挡杆臂，确保一切就绪。
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2. The car's engine isshifting smoothly when the shift bar arm isproperly adjusted.
当换挡杆臂调整得当时，汽车的发动机平稳地换挡。
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3. The engineer had to replace theshift bar arm due to wear and tear.
由于磨损，工程师不得不更换换挡杆臂。