(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (VV 开始)
                    
    (VP 
      (PP-MNR 
        (P 以)
                    
        (NP 
          (NN 电剪)))
                    
      (PU ，)
                    
      (VP 
        (BA 将)
                    
        (IP-OBJ 
          (NP-SBJ 
            (NN 铜片)
                    
            (PU 、)
                    
            (NN 铁片)
                    
            (CC 或)
                    
            (NN 不锈钢))
                    
          (VP 
            (VV 加以)
                    
            (NP-OBJ 
              (NN 剪开)
                    
              (NN 扭转))))))))
arg0: 
                    *pro* 
                
arg1: 
                    铜片 、 铁片 或 不锈钢 
                
argm: 
                    以 电剪