Who has the support catalog for oil refining piping in Beijing Institute?
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Who has the support diagram collection for the oil refining piping specialty at the Beijing Institute? Its format and representation methods are different from those of the previous support diagram collections for the chemical engineering specialty
Even S E I has become content that cannot be posted, haha
Hehe, I have it, but I can’t provide it. If you want to know about it, send me a picture and I’ll tell you