滚子夹套式回转支承
roller clip-jacket typed turning around support
回转支承滚道加工
machining of slewing ring’s ball track
转子[-支承-基础]系统
rotor-support-foundation system
转子支承系统
supporter system of rotor
rotor-bearing system
线夹回转式双摆防舞器
rotary clamp spacer double pendulum damper