For example, the house faces things. I put a north-south beam on the first floor and an east-west beam on the second floor. (

I can't get the answer here. I'll tell you what to do. \r\n 1。 What you get is the construction drawing, not the structural drawing. \r\n 2。 You can know his design standard (probably civil air defense design) from the construction drawing. \r\n 3。 Find someone who knows the structure to show you. \ r \ nIf it is a civil air defense design, I can understand it.