默认
ACO channel 150x800x60 V 75 Concrete
ACO channel 150x1100x60 H 75 Concrete
ACO gully 200x200x60 V 75 Concrete
ACO gully 300x300x60 H 110 Concrete
ACO channel 300x4000x60 H 110 Concrete
ACO channel 400x600x200 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~