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)的平不同边方式连接,类似手风琴的腔。
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)的平不同边方式连接,类似手风琴的腔。
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