买单双一直顺着买简介：Listening to the sound, the parts inside are at least 70% new and well maintained. If they are old parts, the sound will be a bit harsh. With your hearing, you should be able to hear unnecessary friction sounds.
Listening to the sound, the parts inside are at least 70% new and well maintained. If they are old parts, the sound will be a bit harsh. With your hearing, you should be able to hear unnecessary friction sounds.
