默认
ACO channel 300x3000x60 H 110 Vinyl
雨、污水检查井 - 土建
ACO channel 400x600x100 V 110 Resin
化粪池(1号)
ACO channel 400x600x100 V 110 Concrete
ACO gully 200x200x60 H 75 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~