P_检查井2400
ACO channel 300x1500x60 V 110 Resin
ACO channel 300x2000x60 V 110 Concrete
ACO channel 500x800x150 V 110 Resin
ACO channel 600x900x200 V 110 Resin
ACO channel 150x1100x60 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~