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中阮定音调弦调音器教程
看视频操作即可
网址
http://m.youku.com/video/id_XMTI4NDc0Mzc2OA%3D%3D.html?source=https%3A%2F%2Fm.so.com%2Fs%3Fsrcg%3Dcs_sqgc_9%26nav%3D0%26src%3Dhome%26q%3D%250A%25E4%25B8%25AD%25E9%2598%25AE%25E5%25AE%259A%25E9%259F%25B3%25E8%25B0%2583%25E5%25BC%25A6%25E8%25B0%2583%25E9%259F%25B3%25E5%2599%25A8%25E6%2595%2599%25E7%25A8%258B
