名词
中文翻译：铰链轴
同义词：
['pivot shaft', 'hinge shaft']
例句：
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1.The hinge shaft of the door is broken.
门的铰链轴断了。
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2.The hinge shaft is responsible for supporting the weight of the door.
铰链轴负责支撑门的重量。
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3. The hinge shaft needs to be replaced as soon as possible.
铰链轴需要尽快更换。