默认
ACO channel 300x600x60 V 110 Tiles
ACO channel 600x900x200 V 110 Concrete
ACO channel 300x2000x60 H 110 Concrete
ACO channel 300x4000x60 V 110 Vinyl
化粪池(1号)
ACO channel 500x800x150 V 110 Resin
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~