The only type of helicopter that may be refueled with the engine running and the blades turning is().
A、a helicopter carrying cargo only
B、a turbine-equipped helicopter
C、a Sikorsky
D、a helicopter carrying injured personnel in an emergency situation
A、a helicopter carrying cargo only
B、a turbine-equipped helicopter
C、a Sikorsky
D、a helicopter carrying injured personnel in an emergency situation
A、The type of application used on the network B、The type of system bus used by the computers C、The type of memory installed in each computer D、The type of media used in the network topology E、The type of protocols used in the network F、The physical layout of the network hosts
A、charted depth of water only B、depth of water,including tidal differences C、time and date of anchoring D、type of anchor being used
A、stuffing box diameter B、direction of rotation of the screws C、pitch of the screws D、type of driving gears
A、two rockets,one of which shall be the buoyant type B、three rockets,one of which shall be the buoyant type C、four rockets,two of which shall be the buoyant type D、five rockets,two of which shall be the buoyant type
A、A.of the diaphragm type B、B.of the centrifugal type C、C.of the positive displacement type D、D.independently driven by electric motors
A、The data files of the read-only tablespaces in the target database are not duplicated B、The read-only tablespaces in the target database are still defined in new the database C、The read-only tablespaces in the target database are changed to online after duplication D、The data files of the read-only tablespaces in the target database get duplicated E、The read-only tablespaces in the target database are not defined in the new database