默认
ACO channel 300x2000x60 H 110 Concrete
ACO chanel 300x600x60 H 110 Resin
ACO channel 400x600x200 V 110 Tiles
ACO channel 400x400x200 H 110 Tiles
ACO channel 400x600x100 H 110 Tiles
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~