默认
ACO channel 400x400x100 V 110 Concrete
ACO channel 150x800x60 H 75 Vinyl
ACO channel 500x1000x150 H 110 Tiles
ACO channel 300x600x60 H 110 Tiles
ACO channel 150x800x60 H 75 Concrete
检查井+四管+φ1000+
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~