桁架介绍
500mm/1000mm/1500mm/2000mm/2500mm/3000mm/3500mm/4000mm
1、小型展架:150mm*150mm/200mm*200mm/250mm*250mm
2、中型舞台灯架:300mm*300mm/350mm*350mm/400mm*400mm/450mm*450mm
3、大型舞台灯光架:500mm*600mm/520mm*760mm/600m*760mm
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