Drag chain, normally used in machine tool machinery and other cable, tubing, the trachea and conduit, air ducts, with traction and protection.
2
拖链,一般应用在机床机械等的电缆、油管、气管、水管、风管上,起牵引和保护作用。
Towline, the role of general application in machine tools, machinery and other cables, tubing, trachea, water pipes, duct, since the traction and protection.