集水井 1500x2000x1500
ACO channel 150x900x60 V 75 Concrete
ACO channel 300x1000x60 H 110 Tiles
ACO channel 400x400x200 H 110 Resin
ACO channel 300x1000x60 V 110 Concrete
ACO channel 150x1000x60 H 75 Concrete
ACO gully 200 H 75 Tiles ss airtrap
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~