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内容来自iPhone手机客户端
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ken564300317:马蒙回来了,谢谢楼主[表情]这个很早就有放出消息了,去年还是前年的事了 (2021-02-02 09:54)
内容来自Android手机客户端
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jerryxin80:传动时的受力部位只有一个齿,链条可以包裹很多个齿。如果要增加传动齿强度的话,会不可避免的遇到重量体积问题。 (2021-02-02 11:12)