... door holding device 门的保持装置 holding device for cauls 垫板固定装置 work holding device工件夹具 ...
2
?工件固定装置
... 杠杆固定装置 lever locking device 工件固定装置work holding device 固定装置灯具 hard wires ...
双语例句
1
Jack: in practical mechanics, portable hand-operated device for raising heavy weights through short distances, exerting great pressures, or holding assembled work firmly in position.