A tight curl, twist, or bend in a length of thin material, as one caused by the tensing of a looped section of wire.
扭结：一段长度的材料产生的绷紧的卷曲，曲折或弯曲，例如因拉紧线的有环部分。
2
He also built a simple receiver made of wire that was turned many times in a circle or looped. At the ends of the loop were small pieces of metal separated by a tiny amount of space.
These are reels equipped with wire rope (non-electrical cables) to provide spring assistance to the lifting of heavy items such as power tools, looped cables, and other loads.