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天籁之音–钢片琴 - Schiedmayer Celesta GmbH...边敲打垂直拉伸的琴弦发声)及三角钢琴的击弦机(琴槌从下方敲打水平拉伸的琴弦 发声)有着显著的不同。图示(右)为在穆斯特尔1886年的专利里中明确定义的钢片琴部件:
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