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检查井1460
检查井2400
ACO channel 400x600x200 V 110 Resin
ACO channel 500x500x100 V 110 Vinyl
ACO channel 150x900x60 V 75 Concrete
ACO channel 500x500x100 H 110 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~