默认
ACO channel 300x3000x60 V 110 Resin
ACO gully 150 V 75 Concrete
集水井
ACO channel 400x400x100 H 110 Vinyl
ACO channel 400x400x200 V 110 Tiles
ACO channel 300x3000x60 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~