英语词汇“piano roll”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	piano roll
释义	piano roll pi'ano roll noun a roll of paper full of very small holes that controls the movement of the keys in a player piano 自动钢琴打孔纸卷(用于自动钢琴琴键弹奏)
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