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单选题
What is the position of APU bleed valve if the right engine is shut down?
单选题
After flight test, the painted aircraft will be delivered to the customer.
单选题
The nose landing gear was broken in a hard landing.
单选题
The taxiing aircraft on the runway belongs to China.
单选题
The minimum time between checks is two minutes.
单选题
Vertical pages rather than horizontal are preferred for all types of publication.
单选题
There are four general classes of fasteners.
单选题
Do not exceed this speed in any operation.
单选题
All range distances shall be expressed in nautical miles.
单选题
Calculate the thickness of the shim as follows: t= x-y.
