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ROLLER, USAGE THEREOF AND TREADMILL USING THE SAME
ROLLER, USAGE THEREOF AND TREADMILL USING THE SAME
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机译:滚动,使用相同的滚动条和跑步机
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摘要
Disclosed herein are a roller, a method for using the roller, and a treadmill incorporating the roller. The roller may be integrally structured and have a pipe wall thickness at intermediate portion less than a pipe wall thickness at an end portion, and towards the end portion, a pipe wall size at the intermediate portion transited into a pipe wall size at the end portion. The roller can serve as a transmission member and may be used in a treadmill.
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