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URL title: 滚针轴承 -- 成都哈宇力轴承有限公司
URL description: 滚针轴承(needle bearing)是带圆柱滚子的滚子轴承，相对其直径，滚子既细又长。
URL keywords: 滚针轴承
URL last crawled: 2022-06-20
URL speed: 0.115 MB/s, downloaded in 0.200 seconds

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