Abdrueckschraube        
  n.    
[das] 压螺栓 固螺栓

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[das] 压螺栓。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

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[die] 压螺，压螺栓