默认
ACO channel 300x2000x60 H 110 Concrete
ACO channel 400x400x200 V 110 Concrete
ACO channel 150x1200x60 H 75 Resin
集水井-垂直带垫层
ACO channel 300x2000x60 V 110 Resin
玻璃钢化粪池
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~