滑动齿轮传动
sliding -gear transmission
滑动齿轮传动系
sliding gear transmission
内平动齿轮传动
interior translation gear transmission
internal parallel move gear transmission
平动齿轮传动
Parallel move gear transmission
准椭球面齿轮传动
quasi-ellipsoid gear transmission
二级展开式直齿齿轮减速器
2-grade deceleration straight-tooth gear box
圆柱直齿齿轮
spur gear
cylindric straight-tooth gear