三轴控制three-axis control【自】
三轴控制系统three-axis control system【自】
三轴陀螺仪three-axis gyroscope
三轴切削机床three-axis turning machine
三轴铣床three-axis milling machine
三坐标仿形装置three-axis copying device【机】
三轴稳定three-axis stabilization【航】
三轴姿态稳定three-axis attitude stabilization【航】