Attached is the photo showing the cover piece which is fastening onto the head band by yellow glue which is much better than reverse the screw fastening in mass production.
附件是封面示图。 我们会在页眉处涂上黄色胶把封面粘住，这比批量生产中采取的“反旋螺钉”固定法要好得多。
Reverse jet action distance, can use long big filter bag, make full use of space, cover an area of an area small.
反吹风作用距离大，可采用长滤袋，充分利用空间，占地面积小。
The utility model relates to a magnetic reverse smoke preventing cover for preventing the reverse smoke of a cooking fume exhauster in a kitchen.
一种磁性防倒烟罩，供防止厨房中的排油烟机倒烟使用。
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