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课程：特殊符号 · 标准指法练习
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练习内容
\tyi ge huan dang jian\n\t\tliang ge huan dang jian\n si ge kong ge jian\n\t\t\tsan ge huan dang jian\n yi ge kong ge jian
课程：特殊符号 · 标准指法练习
-
\tyi ge huan dang jian\n\t\tliang ge huan dang jian\n si ge kong ge jian\n\t\t\tsan ge huan dang jian\n yi ge kong ge jian