尾拖网滚筒 stern barrel ; stern baseball bat berrel

拖索滚筒 towing drum

拖式平滚 pulled-type roller

拖曳滚轮 towing roller

线轴拖网木滚绕线管 bobbin

多功能魔术滚转拖把 MAGIC ROLLING MOP

拖网滚筒 trawl roller

拖手指滚动 Tow Finger scrolling