2000x1800
ACO channel 300x2000x60 V 110 Concrete
ACO channel 300x1000x60 H 110 Concrete
集水坑2
ACO channel 150x800x60 H 75 Resin
ACO channel 300x2000x60 H 110 Concrete
ACO channel 300x2000x60 V 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~