默认
ACO channel 300x1500x60 V 110 Tiles
ACO channel 300x600x60 H 110 Tiles
ACO channel 300x4000x60 H110 Tiles
ACO channel 400x400x100 V 110 Tiles
ACO channel 500x800x150 H 110 Concrete
集水井盖板
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~