The actuating device and the tensioning device are connected with the drag chain.

驱动装置、张紧装置分别与牵引链条相接。

New cable substantial drag chain structure more reasonable.

新型电缆护线拖链结构更加合理。

Drag chain of each verse can open, convenient in installation and maintenance.

拖链的每一节都能打开，便于安装和维修。

New cable substantial drag chain appearance more beautiful, external ornament has yellow buckle.

新型电缆护线拖链外观更加漂亮、外部点缀有黄扣。