using repeaters
使用中继器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Surprisingly, in the eighteenth century, horologists were already using air friction to regulate the speed of minute repeaters.
FORBES: Jackie Chan, Kwon Sang-Woo and Urwerk Star in Chinese Zodiac
应用推荐
模块上移
模块下移
不移动