默认
ACO channel 300x4000x60 H 110 Vinyl
ACO channel 300x4000x60 V 110 Concrete
ACO channel 300x1000x60 H 110 Concrete
ACO channel 400x400x100 V 110 Resin
雨水检查井-方形
ACO gully 150 V 75 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~