默认
ACO gully 150 V 75 Concrete
ACO gully 200x200x60 H 75 Concrete
ACO gully 150 H 75 Vinyl
ACO gully 300x300x60 V 110 Vinyl
ACO channel 300x4000x60 H 110 Vinyl
ACO channel 400x400x200 H 110 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~