发布时间:2025-01-21 04:49:18
三种,第一种是单层彩钢板,屋面板版型可以采用HV-470B、HV-760、HV-478等等,第二种是单层彩钢板+保温棉+钢丝网,采用这种就是加强了保温,第三种可以是屋面外板+保温棉+屋面内板或者是夹芯板彩钢板。为了节能以及室内采光度,一般在屋面加上采光板,采光板,价格同屋面板价格,大概50元/平方,还可以在屋脊处设计屋面气楼,这样加强室内通风。还有什么不懂,可以加我
hdpe双壁波纹管壁厚,比如说300mm、500mm的管壁厚,能不能给我传个各种型号管壁厚表,急用谢谢了
2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18有谁知道ニトリ尼达利日本家具品牌要去那边当正式工想知道工作待遇和升职空间怎么样
2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18想要完整拆除家里的天然大理石地板而且还要搬走继续使用的话怎么办
2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18 2025-01-21 04:49:18