P_检查井2400
ACO channel 150x800x60 V 75 Resin
ACO channel 500x800x150 V 110 Vinyl
集水井
ACO channel 150x1200x60 H 75 Vinyl
ACO channel 500x500x100 H 110 Resin
ACO chanel 300x600x60 H 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~