集水井-1200x2000x3000
ACO gully 300x300x60 V 110 Concrete
ACO channel 300x2000x60 V 110 Concrete
ACO channel 400x600x200 H 110 Concrete
ACO channel 150x1100x60 H 75 Vinyl
ACO channel 400x400x200 H 110 Tiles
ACO channel 400x600x100 V 110 Concrete
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~