立式行星磨
Vertical planetary grinding mill
Vertical planetary mill
轨道阀座式研磨机
orbital valve seat grinder
离心式研磨机
centrifugal polishing machine
Centrifugal grinding machine
摆线式行星齿轮减速机
cycloidal planetary gear speed reducer
单臂式行星架
single arm type of planet carrier
封闭式行星齿轮传动
encased differential gear train
封闭式行星传动
Closed planetary transmission