分类
格式
复杂轨迹凸轮杆机构(Cam and bar mechanism for complicated trajectory)
复杂轨迹凸轮杆机构(Cam and bar mechanism for complicated trajectory)
复杂轨...
船舶螺旋桨螺距调节机构(Pitch adjustment for boat propeller)
船舶螺旋桨螺距调节机构(Pitch adjustment for boat propeller)
船舶螺旋桨螺距...
Canfield关节机构(Rotation transmission of Canfield joints)
Canfield关节机构(Rotation transmission of Canfield joints)
Canfield关节机...