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集水井
ACO channel 150x1200x60 V 75 Concrete
ACO channel 500x800x150 H 110 Vinyl
ACO channel 300x600x60 V 110 Resin
ACO channel 300x2000x60 H 110 Concrete
ACO gully 200x200x60 V 75 Tiles
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~