It includes items such as magnetos, distributors, booster coils, exciters, transformers, storage capacitors and compositors, etc.

A. Apply three layers of coating.

B. Apply three layers of primer.

C. Apply three layers of bottom primer.

A. The test will stop when the pressure is larger than 7000 kpa.

B. Stop the test if the pressure reaches 7000 pa.

C. Stop the test when the pressure is more than 7000 kpa.

A. This tool is mandatory.

B. This tool is optional.

C. This tool is necessary.

A. 必须找到生效日期、修订号和修订日期（如申请）。

B. 必须记录生效日期、生产号和修订日期（如适用）

C. 尝试确认生效日期、修订号和修订日期（如适用）。

A. This method is used widely in plotting vectors for navigation problems on a chart.

B. Plotting factors for navigation problems on a chart is a widely used method.

C. Drawing factors for navigation problems on a chart is a widely used method.

A. Aluminum wire should not be attached to engine mounted accessories or used in areas having corrosive fumes, severe vibration, mechanical stresses, or where there is a need for frequent disconnection.

B. Aluminum line should not be connected to attachments which are mounted on the engine and also not be applied in domains where corrosive gases, serious oscillation, mechanical forces exist or where it is necessary to disconnect frequently.

C. Aluminum cable should not be linked to accessories installed on the engine. It should also not be used in the event of corrosive fumes, serious vibration, mechanic loads or the place where frequent disconnections are required.

A. 这一系统部分包括控制手柄、钢索、作动筒、告警系统、连接装置、操纵面、位置指示器等部件。

B. 这一系统部分包括控制手柄、电线、作动筒、告警系统、连接装置、操纵面、位置指示器等部件。

C. 这一系统部分包括控制杆、电缆、作动筒、告警系统、连动装置、操纵面、位置指示灯等部件。

A. 相关警戒灯必须在30秒后熄灭。

B. 故障的警告灯必须在30秒后关闭。

C. 相关警告灯会在30秒后熄灭。

A. 抛光表面，直到它非常有光泽。

B. 打磨表面，直到它非常薄。

C. 在表面非常薄之前润色它。

A. The turbines are used to extract energy from the exhaust gases and are coupled to the crankshaft.

B. The turbines can drive energy to exhaust gas and connects crankshaft.

C. The turbines can extract energy from the exhaust gases and drive the crankshaft.