W1
ACO channel 400x400x100 H 110 Vinyl
ACO gully 200x200x60 V 75 Resin
ACO channel 300x3000x60 H 110 Concrete
ACO gully 300x300x60 V 110 Tiles
ACO channel 600x900x200 H 110 Tiles
路面集水井
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~