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集水井
ACO channel 500x1000x150 H 110 Concr.
ACO gully 300x300x60 H 110 Tiles
ACO channel 400x400x200 H 110 Resin
ACO channel 300x2000x60 H 110 Resin
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~