600x300x30
ACO gully 200x200x60 H 75 Tiles
ACO channel 150x1200x60 V 75 Concrete
ACO channel 150x1000x60 V 75 Concrete
ACO channel 300x4000x60 V 110 Resin
ACO channel 150x1200x60 H 75 Concrete
ACO channel 600x900x200 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~