clamping device

详细解释:【化】 夹持机构

例句：

A clamping device of metal or wood, usually consisting of two jaws closed or opened by a screw or lever, used in carpentry or metalworking to hold a piece in position.虎钳由金属或木头做成的钳夹工具，通常由两个靠螺旋或标杆进行开合的部件组成，用于木工业或五金业中使物件定位