With scale plate, convenient for adjusting radiation angle.
灯具均附有刻度板，方便调整照射角度。
Main mate rial for installing: all kinds of channel steel Angle iron and plate iron.
安装主要材料：各种型号的槽钢、角铁及铁板。
Main material for installing: all kinds of channel steel, Angle iron and plate iron.
安装主要材料：各种型号的槽钢、角铁及铁板。
Angle iron is specified at the edges as a protective device for the covering plate.
按照规定，盖板边缘加装角钢起保护作用。
It can be used with magnetic sine plate to grind various Angle profile punch.
可和正弦磁台配合使用，研磨各种斜度。
It can be used with magnetic sine plate to grind various Angle profile punch.
可和正弦磁台配合使用，研磨各种斜度。
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