A chain used to slow down or steady the motion of a vehicle.
（用以使车辆减速或保持稳定的）牵引链
Example sentencesExamples
As we returned to Oxford in the evening, I out-walked him, and he cried out Sufflamina, a Latin word which came from his mouth with peculiar grace, and was as much as to say, Put on your drag chain.
Ephraim rose before the hunter, hoisting the twenty-three-pound trap and the fourteen-foot drag chain above his head.
Typical applications for manganese steels include crusher parts such as mantles, bowl liners and jaw dies, plus hammermill hammers, impactor impeller bars, feeder pans, grizzly bars and drag chain links.