Bedeutungen [das] 压紧螺栓 紧固螺栓❬hr color=#336cc size=1 /❭[das] 压紧螺栓。紧固螺栓。顶起螺丝。顶举螺旋。螺旋千斤顶。jacking screw, jacking bolt, jackscrew, lifting screw, set screw, hexagon set screw with full dog point❬hr color=#336cc size=1 /❭[die] 压紧螺钉,压出螺栓