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Universal Coupling

2021-08-26 10:56

萬向連接器.jpg

Also known as universal joint, it is a joint that connects two rigid rods. The joint consists of a pair of ordinary hinges with a relative orientation of 90°, so that the rigid rod can be turned in any direction. It is still widely used in the transmission of vehicles.


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色阁综合伊人av_精品少妇一区二区三区_www.日本不卡_国产人妖乱国产精品人妖
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