默认
检查井+二管+φ750+
ACO channel 300x1000x60 V 110 Vinyl
ACO gully 150 V 75 Concrete
ACO channel 500x1000x150 H 110 Resin
ACO gully 200x200x60 V 75 Tiles
ACO channel 400x400x200 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~