noun🔗ShareU型夹,U形卸扣。 A U-shaped coupling having holes at each end, through which a bolt is run; used especially to fit attachments to a tractor or other vehicle as it allows a degree of rotation about the bolt."The farmer attached the new plow to the tractor using a clevis. "农民用U型夹将新犁连接到拖拉机上。technicalmachinevehiclepartagricultureChat with AIVocabulary GamePractice Reading