The gas charging valve is on the top of the shock strut of the nose landing gear.

A. 如果损伤没有涉及保护盖，则部件可以使用。

B. 如果划痕没有穿透保护层，则部件可以使用。

C. 如果腐蚀没有透过涂层，则部件可以使用。

A. 在《线路图手册》中，引言部分应包括每个主题下的字母索引，以帮助查找所需电路。该索引应显示系统电路所在的章节和子章节。

B. 在《线路图手册》中，引言部分应包括以主题的首字母顺序编写的索引，以帮助查找所需电路。该索引应显示系统电路所在的章节和子章节。

C. 在《线路图手册》中，引言部分应包括每个主题下的字母索引，以帮助查找所需电路。该索引应显示章节和子章节中的系统。

A. STE是一种活的语言，需要用户的反馈来不断改进。

B. STE是一种生活的语言，需要用户的培育来不断验证。

C. STE是一种活的语言，需要用户的输入来不断应用。

A. The reason why long collocations make non-native English readers confusing is that the key word is the first one in the collocation in some languages.

B. Non-native English readers also feel confused with long noun phrases because of the great importance of the first noun in the phrase in some languages.

C. Long noun clusters are also confusing for non-native English readers, because in some languages the main noun is the first noun in the cluster.

A. AD describes corrective action, e.g. inspection, repair or maintenance, which may be listed by AD or included in another document, e.g. manufacturer＇s Service Bulletin that acts as reference in the AD.

B. The corrective action prescribed by the AD, such as an inspection, repair, or modification, may be detailed in the AD itself or may be contained in another document, such as manufacturer＇s Service Bulletin, which is referenced in the AD.

C. AD details the requirements for inspection, repair or modification described in corrective action, or it may be contained in another document, such as Service Bulletin referenced in AD.

A. 计算航程时应考虑开车、滑行、起飞和爬升所需燃油以及储备燃油。对于开车、滑行和起飞，需考虑飞机以起飞功率运行5分钟的所需燃油量。对于储备燃油，应考虑巡航功率运行 45 分钟所需燃油量。

B. 航程值应包括起动、滑行、起飞、爬升和备用的燃油。对于起动，滑行和起飞，允许在起飞功率5分钟的燃油流量。预留燃油按飞行所需的巡航功率计算为45分钟。

C. 航程值应包括启动、滑行、起飞、爬升和备用时间所需的燃油量。对于开车、滑行和起飞，需考虑飞机以起飞功率运行5分钟的所需燃油量。对于备用时间，应按飞行所用巡航功率下的45分钟计算。

A. 侧撑杆总成有两个铰接在一起的折叠肘节。

B. 侧面驻留组件有两个铰链在一起的折叠拨钮。

C. 侧撑杆有两个折叠的肘节悬挂在一起。

A. State structure of airframe, wings and tail.

B. Present structure of airframe, wings and empennage.

C. Describe structure of fuselage, wings, and empennage.

A. Manufacturers may optimize products that do not conform to their systems.

B. Manufacturers may omit systems not applicable to their product.

C. Manufacturers may object to products that are suitable for their systems.