默认
ACO channel 300x1000x60 H 110 Resin
ACO gully 150 H 75 Concrete
ACO channel 300x3000x60 H 110 Tiles
ACO channel 400x600x200 V 110 Tiles
ACO channel 400x600x200 H 110 Vinyl
检查井+二管+φ750+
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~