默认
ACO channel 400x400x100 V 110 Vinyl
ACO channel 500x500x100 H 110 Vinyl
ACO channel 150x900x60 H 75 Concrete
ACO channel 400x600x100 V 110 Vinyl
ACO chanel 300x600x60 H 110 Vinyl
ACO channel 600x900x200 V 110 Vinyl
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~