The clamps (2) on the side surface (3) are used for clamping convex parts on the two side surfaces of a tape which thus can not fall out.
它利用侧面(3)上的卡子(2)卡住磁带两侧面上的突起部分，达磁带不掉出之目的。
The clamps (2) on the side surface (3) are used for clamping convex parts on the two side surfaces of a tape which thus can not fall out.
它利用侧面(3)上的卡子(2)卡住磁带两侧面上的突起部分，达磁带不掉出之目的。
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