默认
ACO channel 150x1400x60 V 75 Resin
ACO channel 500x800x150 V 110 Vinyl
ACO channel 400x400x200 H 110 Vinyl
集水井
ACO channel 300x600x60 H110 Concrete
ACO channel 400x400x200 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~