These safety precautions are the minimum necessary for work in the maintenance area.

A. 姿态指引仪部分包括陀螺地平仪、方向陀螺仪、磁罗盘、磁航向系统、转弯悬停仪、放大器、伺服系统和飞行指引仪等。

B. 姿态指引仪部分包括陀螺地平仪、回转方向仪、磁罗盘、磁头系统、转弯悬停仪、放大器、伺服系统和飞行指引仪等。

C. 姿态指引仪部分包括陀螺地平仪、定向陀螺仪、磁罗盘、磁航向系统、转弯倾斜仪、放大器、伺服系统和飞行指引仪等。

A. The Check List may also include additional information relevant to the operation of the airplane, such as performance details, alternate equipment operation, etc., which the pilot might rarely use.

B. The Check List may also contain supplemental information pertinent to the operation of the airplane, such as performance data, optional equipment operation, etc., that the pilot might routinely use.

C. The Check List may also cover extra information that the pilot might daily use and is decisive to the control of the airplane, such as performance data, alternate equipment operation, etc.

A. 有24片宽弦钛合金风扇叶片。

B. 有24片宽弦合金钢风扇叶片。

C. 有弦宽为24的钛合金风扇叶片。

A. 将导轨嵌放在轴上。

B. 将套筒放在支杆上。

C. 把吊环钩在钩环上。

A. 松开卡箍，将螺钉固定到支架上。

B. 松开螺钉，将卡箍固定到支架上。

C. 松开将卡箍固定到支架上的螺钉。

A. 首先尝试安装有最短的螺纹区域的转接头。

B. 首先尝试安装带有最短螺纹的芯轴。

C. 首先尝试在最窄的区域内安装接头。

A. 前言内容如下:建立CAP方案的原因和遵循特定CAP需要防止的潜在问题。CAP与产品正常检查方案的关系。

B. 前言包含下列信息：创建CAP项目的主要原因以及需要避免发生的根本问题。CAP与产品例行检查方案的关系。

C. 前言部分包含以下信息：创建CAP程序的潜在原因以及遵循CAP需要避免发生的根本问题。CAP与产品常规检查方案的关系。

A. The long hand of the clock only goes with the counting function of the clock.

B. The sweep second hand only works with the timing function of the clock.

C. The second pointer is only used for the chronic function of the clock.

A. After the system is pressurized, the elevators will drop down no matter where the rigging pin is installed.

B. Without the rigging pin, the elevators will go down when there is no pressure in the system.

C. The rigging pin can prevent the elevators from retracting and expanding when the system is de-energized.

A. 这些部件易于弯曲、断裂或出现尺寸错误。

B. 这些部件很容易发生弯曲或失去对齐。

C. 这些部件很容易弯曲、断裂或对不齐。