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。
The suspension coop is welded by the Angle steel and channel steel.
吊笼由角钢和槽钢焊接而成。
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。
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。
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