من دنباله يه كتاب مي گردم اگه كسي داره لطفا كمك كنه !
By John Scheirs
, Timothy E. LongContributor John Scheirs
, Timothy E. LongPublished 2003
John Wiley and Sons
Polyesters
784 pagesISBN 0471498564Add to my library Write review
A process flow diagram (PFD) is a diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment. The PFD displays the relationship between major equipment of a plant facility and does not show minor details such as piping details and...
control valves is a part of a control system
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u can learn the basic concept of it in the below file
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