vac缩写的意思

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