默认
ACO channel 300x1000x60 H 110 Resin
ACO channel 400x600x200 V 110 Concrete
LH_PC_预制化粪池
ACO channel 300x2000x60 H 110 Vinyl
水表检查井
ACO channel 300x1500x60 H 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~