求翻译：钢琴的声音是由音板产生的，钢琴音板上胶贴一块与音板纹理相垂直的木条作肋板，肋通常是径切板。通常选用优质的白松做音板，声音进入箱体，撞到背板上，不易穿透而反射回来，不仅产生共鸣，而且使声音必须从背面发出。制作音板所用的材料为白松，要求琴的左右两端木材材质相对松软，中间部分木质相对密实，这样声音从两侧扬出时，容易收到丰满、洪亮的效果。高级小提琴的指板一般都要耐磨，多用乌木。是什么意思？

The piano sound is produced by the soundboard, the piano soundboard glue a perpendicular to the texture of the sound board wood ribs, rib usually is the diameter of the cutting board. Usually selected high-quality white pine soundboard, the sound into the box, hit on the back and difficult to penetr

The piano sound is the sound of a piano sound, glue-on board a sound panel texture blocks with the vertical strip of wood for ribs, prime rib is usually vertical panel. Usually selected high quality white pine to do sound, the sound into housing, hitting on the back panel is not easy to penetrate, a

The piano sound is produces by the sound board, the piano sound board spreads pastes the wood conditional ribbed plate which together and the sound board texture is vertical, the rib usually is the diameter cuts the board.Usually selects the high quality white pine to make the sound board, the sound

Piano sound is generated by the sound board, piano sound board sound adhesive on a piece of Board texture for a vertical wooden floors, fin is usually quarter sawn lumber. Usually selects the high quality sound of white pine Board and sound into the box, hit on the back, it is difficult to penetrate

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