348.The vertical stabilizer is installed on the top of the fuselage tail section.

A. OEUs 将主汇流条上的 5V 交流电转换成 115V 交流电以供给排呼叫灯和 12V 交流电的阅读灯。

B. OEUs 将来自主汇流条的 115V 交流电转换成用于排呼叫灯的 5V 交流电和用于阅读灯的 12V 交流电。

C. OEUs 将来自主汇流条的 115V 交流电转换成 5V 和 12V 的直流电,用于排呼叫灯和阅读灯。

D. B.OEUs 将来自主汇流条的 115V 交流电转换成用于排呼叫灯的 5V 交流电和用于阅读灯的 12V 交流电。

E. Us 将来自主汇流条的 115V 交流电转换成 5V 和 12V 的直流电,用于排呼叫灯和阅读灯。

A. 技术文本通常包含很长的词组,在句子中具有一种词性的作用。

B. 技术文本通常包含很多组单词,这些单词在句子中具有一定的作用。

C. 技术文本通常包含长难句,其中的单词在句子中的作用相当于某个词性。

A. Before you move the spoilers,tell all persons to get off the wings.

B. Before telling all persons to get off the wings,you move the ailerons.

C. Before you move the ailerons,tell all persons to get off the wings.

A. Misunderstanding will occur if a word is only understood by a large amount of people in a special technical area.

B. If a word is only known by quite a small amount of people in a special technical field,there will be communication interference.

C. If a word is only understood by a very small number of people in a specific technical area,it will cause interference in communication.

A. 如果可以更早地显示维护页面,则能够显示之前的测试运行数据。

B. 它会显示上次的试验数据,如果你早些展示维护页面。

C. 如果过早地显示维修页面,它将显示前一次的测试运行数据。

A. Make sure that the position of the clamp agrees with the position that you recorded during the removal procedure.

B. Confirm that the recorded condition during the removal procedure agrees with the condition of the clamp.

C. Ensure that the clamp is correctly oriented based on the suggested position documented during the removal procedure.

A. An alphanumeric identifier is an assembly of characters and numbers.It can recognize something.

B. An symbolic-numeric identifier is an assembly of symbols and numbers.It can identifies something.

C. An alphanumeric identifier is a combination of letters and numbers that identifies something.

A. The manufacturer's marks,publication title,airplane model,and issue or revision date must shown on all pages.

B. The manufacturer's headline,publication title,airplane model,and issue or revision date must print on all pages.

C. The manufacturer's masthead,publication title,airplane model,and issue or revision date must appear on all pages.

A. 手册建议您在气流良好的区域制备混合物。

B. 制造商建议您在气流良好的区域制备混合物。

C. 制造商强调您在气流良好的区域制备混合物。

A. 在远离设备或金属框架建筑物的区域进行工作。

B. 在有设备或材料框架建筑物的区域进行工作。

C. 在远离设备或材料成型建筑物的区域进行工作。