A line wheel locking device is arranged between the line wheelcasing and the line wheel.
线轮壳与线轮之间设有线轮锁定装置。
2
The dog chain, the movable end of which is connected with a dog ring by a fastener is connected with the line wheel by a line wheelcasing mouth and wound.
活动端用扣具与狗项圈相连的狗链通过线轮壳口与线轮相连并卷绕起来；
3
An electric pencil sharpener USES a toy motor as power and is composed of conic casing with tubular ends, multi-edge cutter for wooden part and a small abrasive wheel for lead core.