ball joint manipulator

机械专业英语... ... ball joint compensator 球形补偿器 ball joint manipulator 球承机械手 ball lightning 球[形]雷，球形电闪 ...

joint-英汉词典... ... ball joint cover latch 球节盖闩 ball joint manipulator 球节机械手 ball joint roof bar 球铰顶梁 ...