Do these two steps at the same time.

The charts, diagrams, and text show the area, dimensions, stations, access doors and physical locations, of the structural members of the aircraft.

A. 飞机结构件的面积、尺寸、站位、接近门以及物理位置由表、图和文本表示。

B. 飞机结构件的面积、尺寸、纵剖面、接近门以及物理位置由表、图和文本表示。

C. 飞机结构件的面积、尺寸、水位线、接近门以及物理位置由表、图和文本表示。

Turbine engine tachometers usually measure speed as a percentage of the nominal maximum speed of the turbine(s).

A. 通常，涡轮发动机转速计会以涡轮额定最大转速的百分比测量转速。

B. 涡轮发动机转速计通常会测量一个百分比转速，并与涡轮的正常最大转速比对。

C. 涡轮发动机转速计通常测量的速度与涡轮发动机最大名义转速成正比。

如果这一步不足以阻止泄漏，更换作动器。

A. If this step can not stop the leakage, remove the actuator.

B. If this step is not enough to stop the leakage, change the motor.

C. If this step is not sufficient to stop the leakage, replace the actuator.

If you think that snow will fall, make sure that the vehicle is in the applicable configuration.

A. 如果你认为会下雪，请确保容器置于适当的温度条件中。

B. 如果你认为会下雪，请确保车辆处于合适的配置。

C. 如果你认为会下雪，请确保车速处于合适的范围之内。

如果你不遵守这些预防措施，你的皮肤和肺可能会受伤。

A. If you do not obey these precautions, injury to your skin and lungs can occur.

B. It will cause damage to your skin and liver unless you follow the cautions.

C. If you understand the instructions, you body will not be hurt.

The constant propeller speed mechanism is blocked out.

A. 螺旋桨恒速机构故障。

B. 螺旋桨恒速机构被挡住了。

C. 螺旋桨恒速传动机构不在这个位置。

将1号自动定向仪调谐至已知频率。

A. Turn ADF 1 to unknown frequency.

B. Tune ADF 1 to a known frequency.

C. Tune VOR 1 to a known channel.

Wires and wire bundles must be supported by clamps or plastic cable straps. Clamps and other primary support devices must be constructed of materials that are compatible with their installation and environment, in terms of temperature, exposure to ultraviolet (UV) light, and wire bundle mechanical loads. They should be spaced at intervals not exceeding 24 inches. Clamps on wire bundles should be selected so that they have a snug fit without pinching wires.

A. 导线和导线束必须由卡箍或塑料钢缆扎带固定。卡箍和其他主要支撑装置必须采用与其安装和环境兼容的材料，包括温度、是否暴露于紫外线和导线线束机械负载等方面。它们应该间隔不超过24英寸。应该选择适合的卡箍，以便紧密贴合而不夹住导线。

B. 导线和导线束必须由卡箍或塑料钢缆扎带固定。卡箍和其他主要支撑装置必须采用与其安装和环境兼容的材料，包括温度、是否暴露于紫外线和导线线束机械负载等方面。它们应该间隔不超过24英寸。应该选择适合的卡箍，以便紧密贴合而不扭曲导线。

C. 导线和导线束必须由卡箍或塑料电缆扎带固定。卡箍和其他主要支撑装置必须采用与其安装和环境兼容的材料，包括温度、是否暴露于紫外线和导线线束机械负载等方面。它们应该间隔不超过24英寸。应该选择适合的卡箍，以便紧密贴合而不夹住导线。

De-energize the aircraft electrical circuits.

A. 给飞机电路断电。

B. 给飞机电路通电。

C. 重新连接飞机的电路。

中央油箱中的燃油总量为5000磅。

A. The total quantity of fuel in the center tank is 5000 lb.

B. The Total Fuel Quantity of the main tank is 5000 pounds.

C. The total fuel consumption from the center tank is 5000 pounds.