63. 确保在测试过程中可以在视距表上看到油位。

A. 用不同颜色的衬套来识别线路

B. 识别不同颜色的金属丝套筒

C. 用套简来辨别电线的颜色

A. Comparing with the chemical oxygen-generating systems when providing oxygen to the same amount of people,the gaseous oxygen systems are lighter and smaller.

B. When providing oxygen to the same number of people,compared with the gaseous oxygen systems,chemical oxygen-generating systems need less space and have lighter weight.

C. Gaseous oxygen systems have lighter weight and bigger size than chemical-generating systems when supplying air to the same number of people.

A. 如果其他地方提供了信息,则改版记录是可选的。

B. 如果其他地方提供了信息,则改版记录是必选的。

C. 如果其他地方提供了信息,则改版记录是过期的。

A. If the number of failures is more than three, clean the unit.

B. If the number of failures is more than three, replace the unit.

C. If the number of failures is more than three, repair the unit.

A. 对备用排气风扇插钉进行完整性检查。

B. 对备用进气风扇插头进行连续性检查。

C. 对备用排气风扇插座进行连续性检查。

A. 如果岀现功能,齿轮将自动脱离

B. 如果出现操作错误,轮挡将自动脱离

C. 如果出现故障,齿轮将自动脱离

A. 确保装置底部两个接线板粘合

B. 确保装置底部两个接口结合

C. 确保装置顶部两个接线板粘合

A. If the airplanes mentioned in this document are no more manufactured,ABC is likely to stop providing support according to the company polices stated.

B. Unless the airplanes shown in this document are not produced any more,ABC carries on to provide support in accordance with the company policies stated.

C. Even if the airplanes covered in this document are no longer produced,ABC continues to support them based on the company policies stated.

A. 如果包含所有技术数据,则标题应为飞机维修手册

B. 标题应为飞机维修手册,则所有数据包含在其中。

C. 飞机维修手册的标题应该包含所有技术数据。

A. If possible, do an engine ground run to make sure that you get the same indications.

B. If possible, run the engine on the ground to confirm that you get similar indications.

C. In order to verify the instructions, the engine run-up should be possibly conducted on the ground.