发布时间:2025-01-17 16:07:59
确实是有两种的,这里不得不说下,国标和美标的问题了。DN100是指的公称直径,是为了管道工程设计时,方便和管件连接,所以通用的一个叫法就是DN,DN100对应的国标就是108;对应的美标就是114.最好你对一下你的管子是外径是多大的,管件就不易买错了。
从地图经纬度上看,成都比南京还靠南,虽然确实是南方城市,但为啥给人的感觉又不完全像南方城市
2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59请教 结婚得时候房子 装修 家具 婚宴请客吃饭也几样哪些钱是男方出 哪些钱是女方出啊
2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59装修时厨房灶台在边缘没在做挡水弧边现在后悔了现在想加挡水边该怎么做要稳固永久不掉的
2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59 2025-01-17 16:07:59