PNW=Present Net Worth 纯现值, 净现资本PNabbr.本票；期票（=Promissory Note)pneunatic crane[机] 气力起重机pneumotorrachisn.椎管积气pneumolithiasis肺石病pneumoresection肺部分切除术pneumotachygrap呼吸速度描记器pneumonic fever[医] 肺炎, 格鲁布性肺炎pneumoesophagus食管气像, 含气食管像pn ranging code伪噪声测距码pneumosilicosis矽肺(病)pneumopleuritis肺胸膜炎