默认
ACO channel 300x2000x60 H 110 Concrete
ACO channel 400x600x100 H 110 Concrete
检查井+四管+φ1000+
ACO channel 150x1400x60 H 75 Tiles
雨水检查井-方形
ACO channel 500x1000x150 H 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~