默认
雨水口-偏沟式单箅-砖砌
ACO channel 400x400x200 H 110 Resin
ACO channel 600x900x200 V 110 Concrete
ACO channel 500x1000x150 H 110 Tiles
ACO channel 500x1000x150 V 110 Concr.
ACO channel 500x500x100 V 110 Vinyl
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~