默认
ACO channel 150x800x60 V 75 Concrete
ACO channel 300x3000x60 V 110 Concrete
ACO gully 300x300x60 V 110 Vinyl
集水井
ACO channel 150x900x60 V 75 Concrete
ACO channel 300x1000x60 H 110 Tiles
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~