默认
ACO channel 400x600x200 H 110 Tiles
ACO channel 150x900x60 V 75 Concrete
集水井-垂直带垫层
ACO channel 150x1400x60 V 75 Tiles
ACO channel 300x1000x60 V 110 Resin
集水井
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~