默认
ACO channel 400x400x100 V 110 Resin
ACO channel 150x1400x60 H 75 Resin
ACO channel 150x1000x60 V 75 Concrete
ACO channel 400x400x100 V 110 Vinyl
集水井-垂直带垫层
ACO channel 300x600x60 H110 Concrete
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~