Except for foldout pages and start of chapters, all pages shall be printed on both sides.

A. 为了便于阅读和交叉索引，图解说明、图形和表格实际上应以垂直布局呈现。

B. 为了便于阅读和相互参考，插图、图形和表格如果可行的话，应以垂直布局呈现。

C. 为了便于阅读和相互对照，示意图、插图和表格在实际情况下应以垂直布局呈现。

A. The air conditioning cooling system supplies cooled air to the cabin. Includes items such as the cooling unit, indicating systems related to the cooler operation, etc.

B. The air conditioning cooling system supplies cold air to the passenger cabin. Includes items such as the cooling unit, indicating systems related to the cooler operation, etc.

C. The air conditioning cooling system supplies cooled air to the passenger cabin. Includes items such as the cooling pack, indicating systems related to the cooler operation, etc.

A. 确保你安装的LVDT端头或轴不是弯曲的。如果你安装了端头或轴是弯曲的LVDT，那么可能造成指示错误或设备损坏。

B. 当需要安装LVDT时，你要确保其支架或轴的端头不是弯曲的。如果它们是弯曲的，就会使指示出现错误或损坏设备。

C. 安装LVDT时，确保不要将LVDT的杆端头或轴弯曲。如果你弄弯了杆端头或轴，有可能会造成错误的指示或损坏设备。

A. Several screws pulled out in front of right wing fuselage fairing.

B. Several screws lost in front of right wing fuselage fairing.

C. Forward of right wing body fairing has several loose screws.

A. Select the specific system that you will apply pressure to.

B. Select the hydraulic system that you will pressurize.

C. Identify the hydraulic system that you will bleed.

A. Rapid operation of the accelerometer can cause unexpected movement of the vertical stabilizer.

B. Accidental movement of the compass can cause unwanted operation of the oriental stabilizer.

C. Sudden operation of the gyro can cause unwanted movement of the horizontal stabilizer.

A. 发动机附件冷却系统用于发动机舱及附件通风，包括阀门、管路、引射泵、涡流发生器等部件。

B. 发动机辅助冷却系统能帮助发动机及附件通风，包括阀门、波导设备、喷射泵、扰流器等组件。

C. 发动机辅助冷却系统用于发动机舱、活门、管路、引射泵、涡流发生器等附件通风。

A. 计划性勤务包括内部清理等工作。不包括维修工作实施所要求的润滑程序。

B. 计划性勤务包括内部清理等工作。不包括润滑程序，这是维修工作实施所要求的。

C. 计划性勤务包括内部整理等工作。不包括润滑程序，这是维修工作实施所要求的。

A. 只有组件磨损时，才可进行更换。

B. 更换磨损超标的组件。

C. 更换组件会导致损坏加剧。

A. Maximum attitude for flight planning will be affected.

B. Maximum altitude for flight planning will be affected.

C. Maximum attitude for flight planning will be effected.