默认
ACO channel 300x1000x60 H 110 Concrete
ACO channel 300x1500x60 H 110 Vinyl
ACO channel 500x1000x150 V 110 Vinyl
ACO gully 150 V 75 Concrete
雨、污水检查井 - 土建 - 700
ACO channel 500x500x100 H 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~