短语词组短语cycloid personality 环性人格;翻译;循环性人格英语Cycloid reducer 摆线减速机cycloid type 翻译;周期型common cycloid 普通摆线cycloid motor 摆线电动机;摆线马达Cycloid hydrau 摆线液压马达标准cycloid ball 摆线钢球cycloid length 摆长ordinary cycloid 摆线 返回 cycloid