P/O缩写的意思

NomCom AISI dz LPH DEV vac MIL n.e. BBQ MSG GPH PF W.C. PZG BDL o/a A/W XS q.v. P/T DS ac WMP RM CBF ACG WTS CP PP TAM MW TM CBL d/w PA USG P. APC fxd EO N/U UL acc.cop. ESL Bk. s.c. Lab Snafu ID bend VLP IB bldg. IAC B.J.P.I.S prev LIM eo gym QFII