默认
ACO channel 300x1000x60 V 110 Concrete
ACO gully 150 H 75 Vinyl
ACO channel 300x1500x60 H 110 Tiles
ACO channel 300x2000x60 V 110 Tiles
ACO channel 500x500x100 H 110 Tiles
ACO gully 150 V 75 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~