spider roller bearing race十字: cross; cross-shaped,like let ...叉: part so as to form a fork; f ...滚柱轴承: roller bearing固定: fixed; regular环: ring; hoop下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:十字叉滚柱轴承固定环，即可在微信中查询翻译
