"汽车开起来时",是发动机的噪声还是路面上的噪音？

所有跟帖： 

• 是发动机的声音。 -云易- ♀ (0 bytes) () 09/28/2013 postreply 14:07:31

• 另外，声音不是突然大起来的，而是长期不知不觉地。每次修车也没有任何修理工认为有什么问题。 -云易- ♀ (102 bytes) () 09/28/2013 postreply 16:12:58

• just like an old man, all parts are worn, will not like when new -老生长谈- ♂ (200 bytes) () 09/28/2013 postreply 22:00:31

• i just did 90,000 service and i was told my car was in good shap -云易- ♀ (286 bytes) () 09/29/2013 postreply 07:05:12