集水井-1200x2000x3000
ACO gully 200x200x60 H 75 Concrete
ACO channel 150x800x60 H 75 Resin
ACO channel 150x900x60 V 75 Concrete
ACO channel 150x800x60 V 75 Tiles
ACO channel 150x900x60 H 75 Concrete
ACO channel 400x600x200 H 110 Vinyl
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~