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如何判断钢琴是新的还是旧的
更新时间: 2020-11-03 00:00:00  

判断钢琴是新的还是旧的的方法是在钢琴的中央区域弹下去一个白键,看其相邻的其他两个键的木质部分是否占有污垢,如果弹过的钢琴是会有汗液污垢等等。

钢琴(意大利语:pianoforte)是西洋古典音乐中的一种键盘乐器,有“乐器之王”的美称。由88个琴键(52个白键,36个黑键)和金属弦音板组成。

关键词: 如何 判断 钢琴 还是

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