(IP-OBJ 
  (PP-TMP 
    (P 在)
                    
    (LCP 
      (QP 
        (CD 三千多)
                    
        (CLP 
          (M 年)))
                    
      (LC 前)))
                    
  (PU ，)
                    
  (NP-SBJ 
    (DNP 
      (NP 
        (PN 这里))
                    
      (DEG 的))
                    
    (NP 
      (NN 人们)))
                    
  (VP 
    (VP 
      (ADVP 
        (AD 已经))
                    
      (VP 
        (VV 懂得)
                    
        (IP-OBJ 
          (NP-SBJ 
            (-NONE- *PRO*))
                    
          (VP 
            (VP 
              (VV 开凿)
                    
              (NP-OBJ 
                (NN 矿井)))
                    
            (PU ，)
                    
            (VP 
              (VV 制作)
                    
              (NP-OBJ 
                (NN 运输)
                    
                (NN 工具)))
                    
            (CC 及)
                    
            (VP 
              (VV 解决)
                    
              (NP-OBJ 
                (NN 通风)
                    
                (NN 问题)))))))
                    
    (PU ，)
                    
    (VP 
      (ADVP 
        (AD 才))
                    
      (VP 
        (VV 能)
                    
        (VP 
          (VP 
            (VV 深入)
                    
            (NP-OBJ 
              (NN 地下)))
                    
          (VP 
            (VV 去)
                    
            (VP 
              (VV 开采)
                    
              (NP-OBJ 
                (NN 铜矿)))))))))
arg0: 
                    *PRO* 
                
arg1: 
                    矿井