cup and ball jointing球窝节理;关节状节理;球窝关节

cup and ball viscosimetre杯球粘度计

cup and ball game玩具球

cup and ball viscometer杯球式粘度计;杯球黏度计

cup and ball joint球窝关节

cup and ball viscosimeter杯球粘度计

cup-and-ball osteotomy杵臼样切骨术

cup-and-ball structure关节状构造

cup-and-ball viscometre杯球式粘度计

cup-and-ball viscometer球窝粘度计;杯球式粘度计