       
     
  1.             2                                           150C       340m/S  
       
     
1.      ①                                 ②          ③             
1                                       
2.      ①                                     ②        ③                                                                      150C       340m/S  ④                  ⑤                
                         ⑥                     ⑦                      0.1S        
2.                                                                             
   ①            ②                