默认
ACO channel 150x900x60 V 75 Vinyl
ACO channel 150x1000x60 H 75 Tiles
ACO channel 400x600x100 H 110 Vinyl
ACO channel 300x600x60 V110 Concrete
ACO channel 400x400x100 H 110 Vinyl
ACO channel 500x800x150 H 110 Tiles
请描述当前构件存在的具体质量问题,以便我们可以尽快帮您解决~