相关考题
- 
                                    单项选择题
                                    
 接触网多功能检修作业车车轮直径为()
 A.840mm 
 B.920mm
 C.1050mm
 D.1250mm
- 
                                    单项选择题
                                    
 TQJ-09(钛合金)/TQJ-09A(合金钢)50t双级起复机具顶升油缸高度()
 A.300mm 
 B.320mm
 C.350mm
 D.420mm
- 
                                    单项选择题
                                    
 JW-4G接触网作业车车宽为()
 A.3055mm 
 B.3118mm
 C.2855mm
 D.3200mm
 
             
             
                
            