全彩18禁裸乳真人漫画无遮挡

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                  E-mail: sales@gd-chain.com

                  Cold Drawing Machine Chain

                  Compared with leaf chain, Cold drawing machine chain has larger pitch and can bear larger load. Its link joins are mainly dispersed over both sides of the chain, and there is axis pin in the middle for meshing with chain wheel, so its transmission is in the same way as roller chain in rotary motion.
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                  全彩18禁裸乳真人漫画无遮挡

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