名词
中文翻译：低速轴
同义词：
['slow speed shaft', 'slow speed shafting']
例句：
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1. The car's engine has a slow-speed shaft that allows for smoother acceleration.
这辆车的发动机有一个低速轴，可以提供更平滑的加速。
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2. The machine's design incorporates a slow-speed shaft to reduce friction and improve efficiency.
这台机器的设计包括一个低速轴，以减少摩擦并提高效率。
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3. The engineer tested the new design on a slow-speed shaft to ensure it worked correctly.
工程师在低速轴上测试了新设计，以确保它正确工作。