octave keys
八度的钥匙
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The tuning of the ncegele is based on a division of the octave into five equal intervals, and the sounds are produced by striking the keys with wooden sticks with a rubber beater fitted to the end.
UNESCO: Intangible Cultural Heritage
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模块上移
模块下移
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