Engine analyzers are used to analyze engine performance or condition by means of instruments or devices such as oscilloscopes, etc.

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. 禁止在油箱周围吸烟。

B. 告诉所有员工禁止在油箱处吸烟。

C. 告诉所有人员不要在油箱附近吸烟。

A. 每个主燃油箱的通气油箱外侧控制溢出的燃油和排气系统中的燃油。

B. 每个主燃油箱外侧的通气油箱收集溢出的燃油和来自排气系统中的燃油。

C. 每个主燃油箱的通气油箱从外侧防止排气系统中的燃油溢出。

A. The STE dictionary gives an approved alternative that has a different part of speech.

B. The STE dictionary gives an approving alternative word has a different word class.

C. The English dictionary gives an approved alternative word with a different part of speech.

A. To make sure that ATC transceivers are in standby mode, you must simulate altitude, otherwise false TCAS signals may occur intermittently.

B. Make sure the ATC transmitters are in standby mode, or false TCAS targets may occur accidentally due to altitude simulation.

C. Make sure that the ATC transponders are in standby mode when you simulate altitude. You can accidentally cause false TCAS targets.

A. Obtain approval from the design authority after making any changes to this repair procedure.

B. Prior to modifying this repair procedure, obtain the approval of the design authority.

C. Ensure that the design authority approves nonessential alterations made to this repair procedure.

A. Each of the two life vests located at L2 entry door flight crew station is damaged.

B. Each of the two life vests located at L2 entry door flight crew station is out of time limit.

C. Each of the two life vests located at L2 entry door flight crew station is out of service.

A. The operational test of HFS-900D transceivers is an internal functions check of the HF transceiver and it is a BITE test.

B. The BITE test for the HFS-900D transceivers is the operation test that does the inner check of the HF transceiver.

C. The check of the internal functions of the HF transceiver is a BITE test related to HFS-900D transceivers.

A. 如果检查表中列出了“发动机启动”，放大的程序将解释如何执行启动程序。

B. 如果检查单中列出“发动机试车”，则扩展的过程将解释如何执行运转。

C. 如果检查单中包含“发动机试车”检查项，扩展程序将解释如何实施试车。

A. 确保表面没有铁锈。

B. 确保表面没有灰尘。

C. 确保表面没有油渍。