I was surprised to find all these makers held the same value of harmonicity (quality of sound).

我惊奇的发现所有的钢琴制造者对钢琴的音质都遵从同样的标准。

youdao

I was surprised to find all these makers held the same value of harmonicity (quality of sound).

我惊奇的发现所有的钢琴制造者对钢琴的音质都遵从同样的标准。

youdao