默认
ACO gully 150 V 75 Vinyl
ACO channel 300x1000x60 H 110 Concrete
ACO gully 200x200x60 H 75 Concrete
ACO channel 300x600x60 H110 Concrete
ACO channel 500x1000x150 V 110 Concr.
ACO channel 600x900x200 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~