名词
中文翻译：主轴速度
同义词：
['rotational speed', 'shaft speed']
例句：
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1.The new engine has a much higher rotational speed than the old one.
新发动机的转速远高于旧的。
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2. The machine's shaft speed is critical for its performance.
机器的主轴速度对其性能至关重要。
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3.The engineer adjusted the speed of the mainshaft to match the load requirements.
工程师调整了主轴的速度以满足负载要求。