2215. 测量法兰上A和B点之间的距离

A. That portion of the system which use voice adjust electromagnetic beam to transmit and/or receive messages from air-to-air, or air-to-ground installations.

B. That part of the system which utilizes sound modulated electro solenoid waves to transmit and/or receive messages from air-to-air, or air-to-ground installations.

C. That portion of the system which utilizes voice modulated electromagnetic waves to transmit and/or receive messages from air-to-air, or air- to-ground installations.

A. Comparing with the chemical oxygen-generating systems when providing oxygen to the same amount of people,the gaseous oxygen systems are lighter and smaller.

B. When providing oxygen to the same number of people,compared with the gaseous oxygen systems,chemical oxygen-generating systems need less space and have lighter weight.

C. Gaseous oxygen systems have lighter weight and bigger size than chemical-generating systems when supplying air to the same number of people.

A. Do not operate the brakes to decrease the pressure in the accumulators.

B. Do not control the brakes to increase the pressure in the accumulators.

C. Do not maneuver the brakes for augmentation of the pressure in the reservoir.

A. If you decide not to replace the current component, monitor its temperature for most of 15 cycles.

B. If your decision is not to replace the unit, monitor its temperature for a minimum of 15 cycles.

C. If you decide not to replace the existing unit, watch its temperature for at least 15 cycles.

A. PI上显示完成数据复制所需的剩余时间。

B. PI显示的是复制数据所需要的时间。

C. PI上显示剩余时间以便完成数据的复制。

A. Make sure that the warning light turns on within 3 seconds.

B. Make sure that the warning light is on for at least 3 seconds.

C. Make sure that the warning light is turned on in no more than 3 seconds.

A. All auxiliaries or additional equipment which is to be installed in the particular airplane shall be excluded in the equipment list when delivered.

B. When delivering an airplane, make sure the equipment in it lists all mandatory or auxiliary items.

C. When a particular airplane is delivered, all required or optional equipment installed in it shall be contained in the equipment list.

A. 安装的轮胎随速度的增加而增加。

B. 轮胎的磨损将会增加速度。

C. 轮胎磨损随速度的增加而增加。

A. 为避免不必要的磨损,将表面涂漆。

B. 为了避免不必要的颗粒,将表面清洁。

C. 为了不必要的摩擦,将表面抛光。

A. The book will show you what the best aircraft maintenance technician should know.

B. The book will tell you which the best aircraft maintenance technician should know.

C. The book will tell you that the best aircraft maintenance technician should know.