1000 Gal
ACO chanel 300x600x60 V 110 Concrete
ACO channel 400x400x100 V 110 Resin
ACO channel 300x3000x60 V 110 Concrete
ACO channel 150x1100x60 V 75 Resin
ACO channel 150x800x60 V 75 Resin
ACO channel 300x1500x60 H 110 Resin
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~