(IP 
  (ADVP 
    (AD 因此))
                    
  (PU ，)
                    
  (IP-SBJ 
    (NP-SBJ 
      (PN 他们))
                    
    (VP 
      (PP-LOC 
        (P 在)
                    
        (LCP 
          (NP 
            (NN 陶土))
                    
          (LC 中)))
                    
      (VP 
        (VV 夹)
                    
        (NP-OBJ 
          (NN 砂)))))
                    
  (PU ，)
                    
  (VP 
    (IP-ADV 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (ADVP 
          (AD 就))
                    
        (VP 
          (PP-PRD 
            (P 像)
                    
            (IP-SBJ 
              (NP-SBJ 
                (NN 混凝土))
                    
              (VP 
                (VV 加入)
                    
                (NP-OBJ 
                  (NN 石子))))))))
                    
    (PU ，)
                    
    (VP 
      (VV 可以)
                    
      (VP 
        (VP 
          (VV 增加)
                    
          (NP-OBJ 
            (NN 强度)))
                    
        (PU ，)
                    
        (VP 
          (VV 避免)
                    
          (IP-OBJ 
            (NP-SBJ 
              (-NONE- *PRO*))
                    
            (VP 
              (LCP-TMP 
                (IP 
                  (NP-SBJ 
                    (-NONE- *PRO*))
                    
                  (VP 
                    (VV 烧成)))
                    
                (LC 时))
                    
              (VP 
                (VP 
                  (VV 热涨冷缩))
                    
                (VP 
                  (MSP 而)
                    
                  (VP 
                    (VV 破裂)))))))))))
arg0: 
                    *PRO* 
                
argm: 
                    *PRO* 烧成 时