默认
检查井+二管+φ750+
ACO channel 150x800x60 V 75 Tiles
ACO channel 500x800x150 V 110 Concrete
ACO channel 150x1200x60 H 75 Concrete
ACO channel 150x800x60 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~