降温池井盖
ACO gully 200x200x60 H 75 Tiles
雨、污水检查井 - 土建
ACO channel 150x800x60 H 75 Vinyl
ACO gully 200x200x60 H 75 Resin
ACO channel 150x1100x60 V 75 Tiles
ACO channel 150x1400x60 H 75 Concrete
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~