单选题 This procedure gives two methods for the temporary repair of the water tubes.

单选题 The units and components are used for recording data not related to specific systems, including items such as flight recorders, performance or maintenance recorders, etc.

单选题 The turbines extract energy from the exhaust gases and are coupled to the crankshaft.（第二版）

单选题 The turbines extract energy from the exhaust gases and are coupled to the crankshaft.

单选题 The two most common types of engines used in helicopters are the reciprocating engine and the turbine engine.

单选题 The turbine section of the engine includes items such as turbine nozzles and turbine rotors.

单选题 The Type Certificate will not be issued to the applicant unless the findings are completely settled.

单选题 The unit pressurizes and filters the oil.

单选题 The turbine engines include compressor bleed systems used to control flow of air through the engine, cooling air systems, heated air systems for engine anti-icing, and engine starting systems.