時(shí)間：2014-04-17 16:16來源：藍(lán)天飛行翻譯 作者：航空 點(diǎn)擊：次
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PM Protocol Manager – Part of the IPS modules software PMA permanent magnet alternator PNR Point of No Return POC Passenger Oxygen Controller POH Pilot’s Operating Handbook POLR Point of Load Regulator POM Pilot’s Operating Manual POS Position PPH Pounds Per Hour PPM Parts per million PPM Power Producing Module PPOS HOLD Present Position Hold PPOS Present Position PREV Previous PRI Primary PRIM Primary Probe A sensing device that extends into the airstream or gas stream for the purpose of measuring temperature, pressure, or velocity. PROC Processor Module PROX Proximity PRSOV Pressure Regulating Shutoff Valve PS Ambient (static) pressure measurement – the first of a series of pressure measurement points related to engine observations Ps Static Port Pressure PSA Preselect Altitude PSA Printer Server Application PSI Pounds per Square Inch psia Pound(s) per Square Inch, Absolute (psi + local atmospheric pressure) psid Pound(s) per Square Inch, Differential (difference between two pressures, P) PSID Pounds per Square Inch Differential psig Pound(s) per Square Inch, Gage; unit of pressure relative to atmospheric pressure at sea level Pt Pitot Port Pressure PT Pressure Transducer, Power Turbine PT Pressure Transducer; Power Turbine Pt Pressure, Total Air Pt2 Pressure measurement station in the engine inlet. PTCH Pitch PTT Push-To-Talk PWR Power PWS Potable Water System QAD Quick Attach Detach (Disconnect) Qc Differential Pressure QEC Quadrantal Error Correction QTY Quantity RA MIN Radio Altitude Minimum |
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