When the light comes on, it must illuminate the rear reflector.

A. 本课件仅适用于特定的操作系统。

B. 本软件只适用于特殊的操作系统。

C. 本软件仅与指定的操作系统兼容。

A. Adjust the frequency to the value giving in table 1.

B. Adjust the frequency per the value given in table 1.

C. Adjust the frequency to the value given in table 1.

A. 发电机提供三相电压。当发电机转子速度升高时，此电压的频率会增加。

B. 发电机提供三相电压。当发动机转子速度升高时，此频率的电压会增加。

C. 发电机提供三相电压。当发电机转子频率升高时，此电压的变化速度会增加。

A. When installing the antenna, the arrows must be aligned and point forward.

B. When installing the radome, you must keep the arrow pointing forward.

C. When you install the antenna, the alignment arrow must point forward.

A. 在可能的地方，将分号从定义和核准示例文本中删除是可行的。

B. 在可能和不得已的情况下，将标记符号从定义和示范示例的文本中删除。

C. 在可能和可行的情况下，将引号从定义和批准示例的文本中删除。

A. 适航性限制内容也可以包含在飞行员操作手册的“限制"部分中，或者可以作为“限制"中的参考资料。

B. 适航性限制也可能部分地出现在飞行员操作手册的“限制"中，或者作为“限制"中的参考资料。

C. 适航性限制也可能出现在飞行员操作手册的“限制"中，或者作为“限制"中的一个基准。

A. If the wheel temperature reaches as high as 177 deg., the core of safety plug shears off and the tire slips.

B. If the wheel temperature increases to more than 177 deg., the core of the fusible plug melts and the tire deflates.

C. The core of the filter element melts once the wheel temperature is above 177 deg., causing the tire to deflate.

A. Ensure that the parts bond correctly by applying pressure on the base of the patch.

B. Apply weight to the patch surface to ensure a correct bond between the parts.

C. Do not put pressure on the surface of the patch, as it is unnecessary for proper bonding.

A. During engine run, the number 1 engine oil pressure watch swings.

B. During engine run, the number 1 engine oil pressure gauge fluctuates.

C. During engine run, the number 1 engine oil pressure indication moves.

A. 本节中包含的异常应由手册编写者确定。

B. 手册的起草者可以将异常情况编入此章节。

C. 手册的生产商可以根据异常情况决定是否将其编入此章节。