默认
ACO channel 300x4000x60 H110 Tiles
ACO channel 300x1500x60 H 110 Tiles
集水井盖板
ACO channel 150x900x60 V 75 Tiles
ACO channel 400x600x100 H 110 Concrete
ACO channel 500x1000x150 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~