Two or more folds parallel to each other with adjacent folds in opposite directions, resembling the bellows of an accordion. Alternative term: fanfold.
两个(
上)的平行摺不同边方式连接，
似手风琴的腔。
Two or more folds parallel to each other with adjacent folds in opposite directions, resembling the bellows of an accordion. Alternative term: fanfold.
两个(上)的平行摺不同边方式连接，似手风琴的腔。
：
上例
、词性
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