PDF单词组合大全：从DAP到PFI，你认识几个？

PDF (Portable Document Format)
DAP (Digital Audio Player)
FAD (Fluorescein Arteriography Digital)
PDA (Personal Digital Assistant)
ADF (Automatic Document Feeder)
AFP (Advanced Function Printing)
FDP (Fibrin Degradation Product)
PFD (Process Flow Diagram)
PFF (Protein-Folding Fingerprint)
PFM (Pulsed Field Magnetometer)
PFP (Platelet Factor 4)
PFC (Perfluorocarbon)
FDP (Fluorescein Diacetate Propidium Iodide)
FPL (Football Premier League)
DPF (Diesel Particulate Filter)
DFP (Diisopropyl Fluorophosphate)
AFP (Alpha-fetoprotein)
PFB (Pseudofolliculitis Barbae)
PFA (Prothrombin Fragment 1+2)
PFI (Port Fuel Injection)