默认
ACO chanel 300x600x60 V 110 Vinyl
ACO gully 150 H 75 Concrete
雨、污水检查井 - 土建
ACO channel 150x1000x60 H 75 Concrete
ACO channel 150x1100x60 V 75 Concrete
ACO channel 300x2000x60 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~