面层板（21）、底层板（23）为实木单板，中间层板 （22）为拼接板或指接板。
The surface layer plate (21) and the bottom layer plate (23) are solid wood veneers, and the interlayer plate (22) is a splicing plate or a finger-jointed plate.
面层板（21）、底层板（23）为实木单板，中间层板 （22）为拼接板或指接板。
The surface layer plate (21) and the bottom layer plate (23) are solid wood veneers, and the interlayer plate (22) is a splicing plate or a finger-jointed plate.
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