O/T缩写的意思

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