Rewinding: the process of winding the film from the take-up reel to the supplyreel so that the head end, or start of the reel, is on the outside.
倒片：把胶片从卷片轴倒到放片轴上，使胶片前面或者说卷轴的开始部分在外圈。
2
The utility model relates to a box-type cable reel, which is used for a television camera shot, a field operation and other places where power supply needs connecting.