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单选题
For turbine engines, the external units and components and integral basic engine parts which go together to conduct air to various portions of the engine and to the extension shaft and torquemeter.
A
The external units, components, and integral essential engine parts are interconnected for piston engines to transmit air to various engine parts, including the extension shaft and the torquemeter.
B
In turbojet engines, the external components and essential engine components are interconnected, facilitating the delivery of air to different engine parts and to the extension shaft and torquemeter.
C
Air is delivered to various sections of the turbine engine through its external components, as well as the integral components of the engine itself.
答案解析
正确答案：B
