定常直线运动
Non-acceleration Linearly Gliding
二自由度直线运动
linear motion with two D O F
粒子的直线运动
rectilinear motion of a particle
内翻u直线运动
hypcoycloidal straight line motion
往复直线运动
reciprocating rectilinear movement
匀速直线运动
uniform rectilinear motion
uniform linear image motion
uniform motion in a straight line
uniform linear motion
constant velocity
直线运动滚动支承
Liner motion rolling bearing
直线运动恢复时间
recovery time of liner motion
主直线运动
principal straight motion
直线往复运动
straight reciprocating motion
reciprocate in line
Straight-line reciprocating movement
linear reciprocating motion