keyboard instrument
英 美
There are also early brass and keyboard instruments.
这里还有早期的铜管乐器和键盘乐器。
Equal temperament is the system commonly used in keyboard instruments.
平均律体系普遍用于键盘乐器。
An early keyboard instrument with a soft sound produced by small wedges striking horizontal strings.
当击键盘时移动小锤敲击琴弦的杠杆系统.