The barrel scene continues to change Tolkien's work throughout the second film.
托尔金笔下桶的场景在第二部电影里继续被改编。
2
The grooving in the feed zone on the barrel had a good result for blown film.
机筒进料段开槽对吹膜有良好的效果；
3
Wind power generated by fan blades (9) on the shaft enters a film picking barrel (5) through a wind blowing port (11) and blows the remnant films into a lifting film box (16).