scdaiwei
Petroleum
- Sep 27, 2007
- 21
Hello,
These days I read some book about control valve. When I try to proceed deduction on control valve formula, I encounter difficulty. Could you tell me what basical book I can get help from. Or you can tell me some article I should read.
Thank you in advance.
These days I read some book about control valve. When I try to proceed deduction on control valve formula, I encounter difficulty. Could you tell me what basical book I can get help from. Or you can tell me some article I should read.
Thank you in advance.