词汇	the rear seal
释义	the rear seal 后油封
随便看	backward inclined fan blade backward inclined type of impeller backward in coming forward backward index backward index number Backward indicator bit backward induction backward induction method backward inductions backward inference backward inflation backward inheriting path-finding backward inhibition Backward in management Backward in study backward in technique backward integration backward integration method backward interpolation backward interpolation formula Backward interval partial least square backward interval selection backward interworking telephone event backward interworking telephony event backward ionospheric scatter