传动齿轮和锥齿轮组
transfer and bevel gear group
双圆弧弧齿锥齿轮传动
Double circular arc profile bevel gears
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