默认
ACO channel 400x600x200 H 110 Resin
ACO channel 400x600x200 H 110 Concrete
雨水口-偏沟式单箅-砖砌
ACO gully 150 V 75 Vinyl
ACO channel 500x1000x150 V 110 Concr.
ACO gully 300x300x60 H 110 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~