(NP-SBJ 
  (DP 
    (DT 这)
                    
    (CLP 
      (M 艘)))
                    
  (NP 
    (NN 潜艇)))
                    
(VP 
  (PP-TMP 
    (P 在)
                    
    (LCP 
      (IP 
        (NP-SBJ 
          (-NONE- *pro*))
                    
        (VP 
          (VV 经历)
                    
          (AS 了)
                    
          (NP-OBJ 
            (QP 
              (CD 两)
                    
              (CLP 
                (M 次)))
                    
            (NP 
              (NN 舱内)
                    
              (NN 爆炸)))))
                    
      (LC 之后)))
                    
  (PU ，)
                    
  (VP 
    (VV 沉入)
                    
    (NP-OBJ 
      (NN 海底))))
arg0: 
                    这 艘 潜艇          
                
argm: 
                    在 经历 了 两 次 舱内 爆炸之后          
                
arg1: 
                    海底