背板也会出现这些征兆，从吉他前、后和尾部的观察即可得知。

The back of the guitar will also raise (swell) and distort under these conditions, as evidenced by a depression in the back, at the front, and tail blocks.

youdao

背板也会出现这些征兆，从吉他前、后和尾部的观察即可得知。

The back of the guitar will also raise (swell) and distort under these conditions, as evidenced by a depression in the back, at the front, and tail blocks.

youdao