默认
ACO gully 200 V 75 Tiles pp airtrap
扇形135°检查井
ACO channel 400x400x100 V 110 Tiles
ACO gully 200x200x60 V 75 Resin
ACO channel 300x2000x60 H 110 Resin
集水井-垂直带垫层
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~