How to draw a schematic diagram of the cross-section of pipelines in a conduit tunnel
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Is this way of expressing it correct? I can’t find out which standard specifies the schematic diagram of the pipeline cross-section in the pipe gallery; could some expert give me some guidance?
Yes, you can think of a fluid as an arrow; the direction it comes from can be seen through the arrowhead, while the direction it goes in can be seen through the feathers at the tail of the arrow{:9002:}
I found a picture online as well as a short section of specifications, but I’m not sure which specification it comes from
I would like to ask how to draw a bidirectionally usable pipe?