默认
ACO channel 150x1200x60 V 75 Concrete
ACO channel 500x800x150 H 110 Vinyl
热水管道阀门检查井
ACO gully 150 V 75 Vinyl
ACO channel 400x400x200 V 110 Resin
ACO channel 300x2000x60 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~