|   | 
                                          | 
                                      
                                       
                                        | ------------------------------------ | 
                                      
                                       
                                        | 更换叶片 | 
                                      
                                       
                                        | ------------------------------------ | 
                                      
                                       
                                        | 叶片更换前 | 
                                        更换后做动平衡校正 | 
                                      
                                       
                                          | 
                                          | 
                                      
                                       
                                        |   | 
                                          | 
                                      
                                       
                                        | ------------------------------------ | 
                                      
                                       
                                        | 更换气封环 | 
                                      
                                       
                                        | ------------------------------------ | 
                                      
                                       
                                        | 去除旧气封环 | 
                                        安装新气封环 | 
                                      
                                       
                                          | 
                                          | 
                                      
                                       
                                        |   | 
                                          | 
                                      
                                       
                                        | ------------------------------------ | 
                                      
                                       
                                        | 各类型过给机动平衡校正 | 
                                      
                                       
                                        | ------------------------------------ | 
                                      
                                       
                                          | 
                                          | 
                                      
                                       
                                        |   | 
                                          | 
                                      
                                       
                                          | 
                                          | 
                                      
                                       
                                        |   | 
                                          | 
                                      
                                       
                                          | 
                                          |