名词中文翻译
中文翻译：上径
同义词：
['upper radius', 'upper radial axis例句：1. The upper radial of the gear is crucial for its functioning.（齿轮的上径对其功能至关重要。）']
例句：
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1. The upper radial of the gear is crucial for its functioning.
齿轮的上径对其功能至关重要。
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2.The upper radial of the tree is where the branches grow out.
树的上径是树枝生长的地方。
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3. The upper radial of the car's engine is responsible for powering the wheels.
汽车发动机的上径负责为车轮提供动力。