Technical verbs are words that give instructions and information in specified technical and operational contexts.

A. Ensure the repair plug fits.

B. Ensure the fix plug fits.

C. Ensure the repair rivets fits.

A. One of the safety precautions is to keep the combustible material from the work area at distance of 50ft at least.

B. One of the safety precautions is to keep the flammable material from the work area at distance of 50ft at least.

C. One of the safety precautions is to keep the combustible material from the work area at a minimum distance of 50ft.

A. It is necessary to define symbols, abbreviations and terminology for the clear understanding of the information presented in various sections of the Handbook.

B. Define signatures, short words and jargon necessary for understanding clearly of the information contained in every section of the Handbook.

C. It is important to define signs, acronyms and nomenclature for the understanding of the information provided in these sections of the Handbook.

A. 确保标签完全贴平。

B. 确保锁扣完全扣好。

C. 确保机构完全连接。

A. 将修理的盖板铺在受损伤的区域。

B. 把修理补片精确地补到损伤区域。

C. 精确的将受损伤的区域围挡起来。

A. Each manufacturer is expected to abide by the Specification content and arrangement without any deviation in order to reasonably achieve the objectives of this Specification (enhance safety, reduce efforts, minimize costs).

B. It is mandatory that each manufacturer adhere to the Specification content and arrangement to achieve the objectives of this Specification (enhance safety, reduce efforts, minimize costs).

C. Each manufacturer is expected to adhere to the Specification content and arrangement reasonably so as to enhance safety, reduce efforts, and minimize costs which are the objectives of this Specification.

A. Make sure the drain hose＇s open end is oriented in align with the structure.

B. Direct the open end of the drain hose away from the storage construction.

C. Ensure that the open end of the drain hose faces away from the structure.

A. 最大起落架放下速度是指起落架放下状态下飞机可以安全飞行的最大速度。

B. 最大起落架收放速度是指起落架收放过程中飞机可以安全飞行的最大速度。

C. 最大起落架收上速度是飞机可以安全飞行的最大速度，起落架收上。

A. Prepare for the built-in test.

B. Prepare for the leak test.

C. Prepare for the load test.

A. 检查油管，对于磨损的区域。

B. 磨削管道并检查。

C. 检查管道是否磨损。