两个系统可以同时接通。

红灯每隔半秒闪一次。

A. The red lights flash in half-second intervals.

B. The red lights twinkle in demi-second.

C. The red lights flag after each half a second.

卡箍应该间隔不超过24英寸。应该选择适合的卡箍，以便紧密贴合而不夹住导线。

A. Clamps 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.

B. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without pinching wires.

C. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without scratching wires.

The repair limits are not given because special equipment is necessary.

A. The repair limits are not permitted as special equipment is required.

B. The repair limits are not mentioned as special equipment is required.

C. The repair limits are not set as special equipment is required.

Get the correct tools to open the containers for these materials.

A. To open the containers for these materials, suitable tools must be used.

B. The appropriate tools should be selected to open the materials, the containers is inside the materials.

C. The inappropriate tools should be selected to open the containers, the containers is made in the materials.

The cooled air from the air cycle machine can no longer hold the quantity of water it could when it was warm. A water separator is used to remove the water from the saturated air before it is sent to the aircraft cabin. Foggy air from the ACM condenses and coalesces the mist into larger water drops in the water separator. The water collects on the sides of the separator and drains down and out of the unit, while the dry air passes through.

A. 从空气循环机出来的冷却空气与其没被冷却时比不再能承载那么多的水。水分离器被用来把水从饱和的空气中除掉，然后空气再进入座舱。来自于空气循环机的水雾装的空气在水分离器中凝结成大水滴。水在水分离器中越来越多然后排出空气循环机，而干燥的空气继续向后流。

B. 从空气循环机出来的冷却空气与其没被冷却时比不再能承载那么多的水。水分离器被用来把水从饱和的空气中除掉，然后空气再进入座舱。来自于空气循环机的水雾装的空气在水分离器中凝结成大水滴。水在水分离器中越来越多然后排出水分离器机，而干燥的空气继续向后流。

C. 从空气循环机出来的冷却空气与其没被冷却时比不再能承载那么多的水。水分离器被用来把水从湿润的空气中除掉，然后空气再进入座舱。来自于空气循环机的水雾装的空气在水分离器中凝结成大水滴。水在水分离器中越来越多然后排出空气循环机，而干燥的空气继续向后流。

当对灭火瓶进行维护时，请使用护目镜。

A. Use protective goggles when you do work on fire extinguishers.

B. Ensure that you wear protective clothes while performing tasks on fire extinguishers.

C. Use protective gloves when working on fire extinguishers

这个程序这时不适用。

A. This program is not available at present.

B. This procedure is not applicable at this time.

C. This program is not reasonable now.

This system shows the pilot the deviations from the localizer course and the glideslope path.

A. 此系统显示飞行员飞行的航道与下滑道之间的偏差。

B. 该系统向飞行员显示与航道和下滑道的偏差。

C. 这个系统是显示飞行员飞行与航道和下滑道的偏差。

雷达罩的状况对其性能有着重要的影响。

A. The condition of the radome is very important for its performance.

B. The condition of the antenna influences its properties greatly.

C. The condition of the radar has an important effect on its characteristics.

Do not tighten the bolts with too much force.

A. 不要给螺栓施加过大力矩。

B. 安装螺栓时不要用太大的力。

C. 不要用太大的力来拧紧螺栓。