差动传动式转速表
differential drive tachometer
磁电式转速表
magnetoelectric tachometer
磁感应式转速表
magnetic inductive tachometer
电动式转速表
electrodynamometer type tachometer
电子计时式转速表
electronic chronometric tachometer
发电机式转速表
generator-type tachometer
离心式转速表
centrifugal tachometer
centrifugal type tachometer
数字式转速表变换组件
digital tachometer conversion group
直读式转速表
direct reading tachometer