Click on the blue words to follow the excellent note card of our architecture students to share (issue 4) Wang Zhenyu [note card] 011, date: 2021.2.152, object: oneself 3, event:
Recently, a tin building collapsed suddenly in Baiyun, Guangzhou, and a lot of dust rose from the scene . From the surveillance video, we can see a man working on
UPVC drainage standpipe installation process flow: hole cleaning on standpipe → hanging wire up and down → support installation → UPVC drainage pipe installation → casing installation and fixation →