默认
ACO channel 150x1000x60 H 75 Vinyl
ACO channel 300x1000x60 H 110 Concrete
雨、污水检查井 - 土建
ACO channel 500x1000x150 V 110 Vinyl
检查井+二管+φ750+
检查井1500
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~