机场消防车: air port crash truckaircraft crash-rescue foam vehicleaircraft crash-rescue vehicleairfield fird tenderairfield fire tenderairport crash fire vehicleairport fire fightercrash tender
后备: reserve 短语和例子留有后备 keep sth. in reserve; 后备部队 troops in support; reserve components; reserve force; 后备电池 back up battery; batter backup; 后备电路 stand-by circuit; 后备电源 back-up source; 后备队列 poo
