名词
中文翻译：联轴节
同义词：
['spline', 'coupling', 'spline shaft', 'spline shaft yoke']
例句：
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1. The machine uses a spline shaft to connect the gears together.
这台机器使用花键轴将齿轮连接在一起。
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2. The engineer designed the spline shaft yoke for efficient transmission of power.
工程师设计了花键轴联接器，以高效地传递动力。
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3. The spline shaft yoke is crucial in maintaining the smooth operation of the machinery.
花键轴联接器在保持机械设备平稳运行中至关重要。