发布时间:2025-01-24 06:25:51
pvc排水管首末端,分支端吊卡安装尺寸是安装间距不应大于2米。根据查询相关公开信息显示室内PVC排水立管管卡间距0.1m左右,支管排水导管管卡的安装间距不应大于2米,另室外直管段长度大于4米时,应安装伸缩管,确保每段内净长≤4米,暗装立管的分支管管径Φ≥100㎜时,按设计防火等级要求,安装阻火圈。
新建楼房电线预埋管位布置的种类有几种各种管位布置的优点缺点各有哪些
2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51我家准备在正南的阳台开门求教风水大师请问是开正门好还是开西面的侧门好
2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51 2025-01-24 06:25:51