The staff member on duty pulled up the relevant footage and said, "It should be this!"
Everyone looked over.
This DCS image shows only a sketch of a pressure tank.
There is another number on the can: 0.53 MPa.
Zhao Dong frowned and asked, "Does this number represent the gas pressure inside this container?"
The staff member on duty nodded and said, "Yes."
Director Zhang then asked, "Could you retrieve his historical stress curve?"
The staff member on duty said, "Sure, how many hours do you need?"
Zhao Dong estimated the time and said, "Let's make it from six o'clock last night until now!"
The monitoring staff began retrieving historical curves.
A long, almost straight line appeared in front of them.
Zhao Dong leaned closer to take a look and found that the lines were very vertical. He asked, "Why are they so flat? Logically, the pressure should decrease when there's a leak, right?"
The staff member on duty hesitated to speak.
Director Zhang reminded him, "This is Captain Zhao from the Municipal Criminal Investigation Division. Just say what you have to say, don't beat around the bush. A case has occurred! You know how serious this is!"
The staff member on duty hurriedly said, "I'm not trying to hide anything! The problem is that the time frame is too long. If the time frame were shortened, this wouldn't happen! If you want to see the curve or find the time period of the leak, it's theoretically possible. I can retrieve the data every four hours to differentiate them."
Guan Feng said, "Okay! We'll do it your way. I'm an amateur, so don't worry about saving face for me. Just retrieve it using your method."
"OK."
The staff member on duty nodded.
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