DDG包括

156 unlock

155 UNDEMANDED

154 TRICHLOROETHYLENB

153 torque

152 To make or become larger as a result of pressurization by a gas.

151 To attach an item in or to a second item.

150 Those units and components which store,regulate,and deliver oxygen to the passengers and crew, including bottles, relief valves, shut-off valves, outlets, regulators, masks, etc.

149 Those units and components ( )which deliver large volumes of compressed air from a power source to connecting points for such other systems as environmental controls, deicing, etc.

148 D Those final divisions which permit the i dentification of the individual units in a system or subsystem.

147 THIS STEP MAKES SURE THAT THE FUEL PUMP() coRRECTLY.