The surge tank drain check valve also prevents fuel flow from main tank 1 and main tank 2 to the surge tank.

A. Connect the cover immediately.

B. Attach the cover temporarily.

C. Install the cover permanently.

A. 找到振动区域。

B. 找到腐蚀区域。

C. 找到受损区域。

A. 使用探针检查管子以找出堵塞物。

B. 检查探头以确定是否堵塞。

C. 仔细检查管道以清除堵塞。

A. 真空设备将空气注入到化合物中。

B. 真空设备可以抽走化合物中的空气。

C. 真空设备用于从化合物中提取空气。

A. The operational test of HFS-900D transceivers is an internal functions check of the HF transceiver and it is a BITE test.

B. The BITE test for the HFS-900D transceivers is the operation test that does the inner check of the HF transceiver.

C. The check of the internal functions of the HF transceiver is a BITE test related to HFS-900D transceivers.

A. 计算在巡航功率下飞行45分钟所消耗的油量。

B. 以巡航功率飞行45分钟后计算航班的储备油量。

C. 航班所需的储备燃油量应为巡航功率下45分钟所使用的燃油量。

A. A centrifugal pump supplies hydraulic fluid to the unit.

B. The unit is isolated from hydraulic fluid through a centrifugal pump.

C. A centrifugal pump withdraws hydraulic fluid from the unit.

A. If the pressure is above the limits, pressurize the accumulator of the door damper.

B. If the pressure is not in the given limits, pressure the cylinder of the door damper.

C. If the pressure is not in the given limits, pressurize the accumulator of the door damper.

A. 手册中所示的度量单位必须准确。

B. 手册中的度量单位必须一致。

C. 手册中的度量单位必须写明。

A. 定位器与跑道中心线对齐,下滑道与跑道出口成一定角度。

B. 航道与跑道中心线对齐,下滑道与跑道入口成恒定角度。

C. 航道与跑道中心线平行,下滑道与跑道出口成恒定角度。