你的课题组是和声波示波器有关咩？嘎嘎。声音太嘹亮了，每个共鸣腔都充满了气息，棒！

来源: beautifulwind 于 2017-07-30 11:51:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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