(CP 
  (WHNP-2 
    (-NONE- *OP*))
                    
  (CP 
    (IP 
      (NP-SBJ 
        (-NONE- *pro*))
                    
      (VP 
        (PP-MNR 
          (P 用)
                    
          (NP 
            (ADJP 
              (JJ 不锈))
                    
            (NP 
              (NN 钢条))))
                    
        (VP 
          (VV 装置)
                    
          (NP-OBJ 
            (-NONE- *T*-2)))))
                    
    (DEC 的)))
                    
(NP 
  (NN 底钢))
                    
(NP 
  (VV 摇)
                    
  (NN 船座椅)))
arg0: 
                    *pro*          
                
argm: 
                    用 不锈 钢条          
                
arg1: 
                    *T*-2 -> 摇 船座椅