默认
ACO channel 300x1500x60 H 110 Tiles
ACO channel 300x3000x60 V 110 Resin
ACO channel 500x1000x150 V 110 Concr.
ACO channel 150x1400x60 H 75 Tiles
ACO gully 200 H 75 Tiles ss airtrap
ACO channel 400x400x100 H 110 Concrete
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~