球铰联接头

ball-and-socket joint, universal joint

ball-and-socket hitch

ball-and-socket hinge device【车辆】

ball-and-socket head【机】

ball-and-socket joint【机】

ball-and-socket bearing【机】

ball-and-socket truss

articulatio cotylica【解剖】;articulatio spheroidea【解剖】;ball-and-socket joint【解剖】