默认
ACO channel 150x900x60 H 75 Concrete
ACO gully 300x300x60 V 110 Concrete
ACO channel 500x800x150 H 110 Vinyl
ACO channel 400x400x200 V 110 Vinyl
ACO gully 300x300x60 H 110 Vinyl
集水井盖板-双孔
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~