To extinguish a possible fire, portable fire extinguishers are installed in these areas.

A. Check all parts with clear defects in accordance with standard industry practices.

B. Check all parts for visible defects in accordance with standard industry practices.

C. Check all parts for serious defects in accordance with standard industry practices.

A. 《飞行员操作手册》是FAR第23部规章的审定要求，通勤类飞机除外。

B. 《飞行员操作手册》对有FAR第23部规章审定基础的飞机是恰当的，通勤类除外。

C. 《飞行员操作手册》适用于通过FAR第23部规章审定的飞机，但通勤类飞机除外。

A. 航行灯从熄灭变为明亮。

B. 转弯灯从熄灭变为暗亮。

C. 航行灯从暗亮变为明亮。

A. 临时地将绳索连接到邻近的结构上。

B. 暂时地将挂钩连接到对应的结构上。

C. 稳固连接钢索到附近的结构上。

A. 为飞机延长停场周期做准备。

B. 为飞机长时间停用做准备。

C. 准备好飞机做保留故障处理。

A. Clamps should be spaced at intervals not exceeding 24 inches. Clamps on wire bundles should be selected so that they have a snug fit without pinching wires.

B. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without pinching wires.

C. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without scratching wires.

A. Uncontrolled system or old equipment cause hydraulic fluid flow from hydraulic system A to B.

B. If you fail to operate the system control properly or the equipment is damaged, the hydraulic fluid will be transferred between hydraulic system A and B.

C. Flow of hydraulic fluid between hydraulic system A and B result in accidental operation of system controls or damaged equipment.

A. Adjust the lever intentionally and reset the system to the neutral position.

B. Move the lever before setting the system to the neutral position again.

C. In case of an inadvertent lever movement, return the system to the neutral position again.

A. Please do not make the USB power adapter wet with your hands.

B. When the USB power adapter is wet, please do not touch it.

C. If your hands are wet, do not touch the USB power adapter.

A. 量规的精度必须符合适用的质量标准。

B. 选择量规必须参照已有的质量标准。

C. 采购护目镜必须满足相应的质量标准。