Claim: President Obama issued a National Defense Resources Preparedness executive order that gives the president unprecedented new powers to appropriate national resources.
backhaul meaning, definition, what is backhaul: a return journey of a vehicle after it has transported and delivered goods. Learn more.
As I understand. i) Constant Pressure: It means constant header pressure or superimposed back pressure. However my lead engineer says constant means positive pressure generated by the nitrogen purging. Not the superimposed back pressure.