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雨、污水检查井 - 土建
ACO channel 400x600x200 V 110 Tiles
ACO chanel 300x600x60 V 110 Concrete
ACO channel 400x600x200 V 110 Concrete
ACO channel 600x900x200 H 110 Concrete
ACO channel 150x900x60 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~