默认
ACO channel 400x400x100 V 110 Vinyl
ACO channel 150x1400x60 H 75 Resin
水表检查井
ACO channel 150x1200x60 V 75 Vinyl
ACO channel 300x4000x60 V 110 Resin
ACO channel 150x1200x60 H 75 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~