2114. 在钢表面涂上润滑油

A. Place an open end of a tube on each plug.

B. Put a plug on the open end of each pipe.

C. Place a plug on each pipe with an open end.

A. The manufacturer decide the cover content.

B. The supplier describe the cover content.

C. The manufacturer decide the table of content.

A. 在活塞发动机驱动的飞机上,排气温度指示器用于识别各种功率设置下的油气比。

B. 在活塞发动机驱动的飞机上,排气温度指示器用于设置各种功率设置下的油和空气的混合比。

C. 在动力活塞驱动的飞机发动机上,排气温度指针用于识别最大功率设置下的油气比。

A. 如果在开始本程序之前已经调整了控制方式,则不要进行活门测试。

B. 如果在开始这个步骤之前已经调整了控制方式,则不要进行活门测试。

C. 如果在开始这个步骤之前已经调整了控制方式,则继续进行活门测试。

A. Damage can occur if the hoses are wrongly installed.

B. If the hoses are incorrectly installed, damage may happen.

C. Damage can not occur if the hoses are incorrectly installed.

A. The correctness of this adjustment is important.

B. This adjustment is wrong.

C. The importance of the adjustment is correct.

A. Includes items such as accessory drive, mechanical portion of the spark advance mechanism, oil transfer tubes from the propeller governor pad to the propeller shaft, BMEP section, etc.

B. Includes items such as accessory drive, mechanical portion of the spark advance mechanism, fuel transfer tubes from the propeller governor pad to the propeller shaft, BMEP section, etc.

C. Accessory drive, mechanical portion of the spark advance mechanism, oil transfer tubes from the propeller governor pad to t he propeller shaft, BMEP section are include.

A. 前面的每章目录将列出大量的项目和分配的数字。

B. 每章前面的目录将列出涵盖的项目和分配的编号。

C. 每章前面的内容将列出覆盖的项目和制定的编号。

A. Having reached the airport, he found the airplane would take off.

B. Having reached the airport, he found the airplane was taking off.

C. Having reached the airport, he found that the airplane had taken off.

A. These must be shown on the wiring diagram under some specific conditions and wires are color coded.

B. Wires are coded in color in certain condition, and these should be marked on the wiring diagram.

C. In some cases, wires are color coded, and these should be indicated on the wiring diagram.