默认
ACO channel 400x400x100 H 110 Concrete
ACO gully 150 V 75 Vinyl
ACO channel 500x800x150 H 110 Tiles
ACO channel 300x3000x60 H 110 Tiles
ACO channel 400x400x100 V 110 Resin
ACO channel 300x4000x60 H 110 Resin
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~