目前我国生产的风琴,在结构上都大同小异,除个别乐器厂生产小部份簧屜式外孔盖琴外,北京、上海、广州等地生产的仍是插簧式内孔盖风琴。这种琴的主要缺点是:1.结构复杂,工艺繁琐,气密性不好,并易发生机械故障。2.外形结构虽大,但共振音板部份太小,而且音板上下都安装了很多零部件,音板的共振能力大大减弱,所以声音发闷,不透亮,音量不大。 At present, the organs produced in our country are similar in structure. In addition to the individual part of the musical instrument factory that produces a small part of the spring-type outside-hole-cover piano, Beijing, Shanghai, Guangzhou and other places are still producing the spring-in-hole organ. The main disadvantages of this piano are: 1. Complex structure, complicated process, poor air tightness, and prone to mechanical failure. 2. The shape of the structure is large, but the part of the resonant soundboard is too small, and the soundboard has a lot of parts installed above and below the soundboard greatly reduced the resonance ability, so the sound dull, not transparent, volume is not large.