名词
中文翻译：主轴
同义词：
['main part', 'main component', 'principal part例句：1. The main spindlequill of the machine is responsible fortransmitting power to the wheels.（机器的主要部件负责将动力传递给轮子。）']
例句：
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1. The main spindlequill of the machine is responsible fortransmitting power to the wheels.
机器的主要部件负责将动力传递给轮子。
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2. The mainspindlequill of the car isthe engine.
汽车的主要部件是发动机。
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3. The mainspindlequill of the bridge isthe beam.
桥梁的主要部件是梁。