求翻译：回转装置与水平弯轨一同使用，作用是使牵引链条平滑地过渡，根据其结构的不同，回转装置分为滚子回转装置和光轮回转装置是什么意思？

The rotary device and the horizontal curved track with the use of the role is to make a smooth transition of the traction chain, roller rotary device and the light cycle to turn the device according to their different structure, the rotary device is divided into

swivel device with the horizontal bending rails with a role, is to make smooth transitions towing chain, according to its structure, the different swing is divided into roller slewing unit and the unit circle to

The turning gear and the level curved axle use together, the function is causes to tow the chain link to transit smoothly, according to its structure difference, the turning gear divides into the roller turning gear and the corona turning gear

Rotary device used with horizontal curved track and its purpose is to make traction chain smooth transition, according to their different structures, rotating device into roller slewing device and optical wheel rotating device

正在翻译，请等待...