Make sure that the airflow is not more than 10 liters/minute.

A. 起落架收上时，不要超过此速度。

B. 起落架伸出时，不要超过此速度。

C. 起落架伸出时，不要低于此速度。

A. 关键词汇常常发生在文字中用于连接不同的思想。

B. 关键词汇常常出现在文中用于连接不同的想法。

C. 关键词汇常常闪现在课文中用于连接不同的想法。

A. Before install the software, the plane has to be on the ground and the engines shut down.

B. The airplane must be on the ground with the engines off before you can install software.

C. The aircraft should be on the ground and engines power off before you upload the software.

A. 门是由基础复合材料增强塑料制成的。

B. 门是由碳纤维复合塑料制成的。

C. 门是由碳纤维增强塑料制成的。

A. This document verifies the various torque values and the conditions where they are applicable.

B. This document verifies the various torque values and the conditions where they are null.

C. This document specifies the various torque values and the conditions where they are applicable.

A. Do the weighing procedure in this sequence.

B. In this order to perform the swapping procedure.

C. In this sequence to do the analysis procedure.

A. Caution notes regarding possible hazards of using authorized and unauthorized cleaning agents shall be included.

B. Caution notes regarding use of unauthorized cleaning agents and possible hazards of using authorized ones shall be included.

C. Caution notes regarding use of authorized cleaning agents and possible hazards of use of unauthorized ones shall be included.

A. 选择适用的垫圈，确定恰当的尺寸。

B. 挑选适用的调整片以确保厚度合适。

C. 从可用的垫片中进行选择，以获得正确的厚度。

A. Print all pages besides wiring diagrams and foldouts on both sides.

B. Print all pages other than wiring diagrams and foldouts on both sides.

C. Print all pages no more than wiring diagrams and foldouts on both sides.

A. 当飞机处于常态速度和巡航仰角时, 通气油箱内的燃油将排放到主燃油箱内。

B. 当飞机处于恒定速度和巡航俯仰角时, 通气油箱内的燃油将排放到主燃油箱内。

C. 当飞机处于超常速度和巡航俯仰时, 通气油箱内的燃油将排空到主燃油箱内。