n.记转器计程器；圆弧测定器
Cyclometer:an instrument that records the revolutions of a wheel to indicate distance traveled. "旋转计数器
A Multifunctional Cyclometer Based on Micro Controller 基于单片机多功能频率计
direct-drive cyclometer 直接传动的转数表
hand clutch cyclometer 带有离合器的手控回转计
cyclometer register [电] 走字记录器
