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自行车/维护和维修/工具和用品/压入式耳机
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来自维基教科书，开放世界的开放书籍
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自行车
|
维护和维修
|
工具和用品
压入式耳机本质上是一个两端有螺母的巨大螺栓，用于将耳机制动杯均匀地插入车架中。
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书籍：自行车
华夏公益教科书
