对心直动滚子推杆盘形凸轮机构
disc cam with pushing bar of roller of linear moti
直动滚子推杆凸轮
Disc Cam with Pushing Bar of Roller
滚动直线导轨副
linear motion guides
Rolling linear guide pair
roller linear guide
linear motion ball guide
straight rolling slide-way pair
直线运动滚动支承
Liner motion rolling bearing
摆动滚子从动件
swing roller follower
oscillating roller follower
Roller-swinging-follower
oscillating roller followers
电子滚动快门
electronic rolling shutter
转子-滚动轴承-机匣
Rotor-ball Bearing-stator
阿兰直动机构
allan straight link motion
差动直流测试
differential DC measurement