1913. Open the valve to let nitrogen go into the oleo strut

A. 这个步骤给出了连接管路的说明。

B. 这个步骤给出了连接接头的说明。

C. 这个步骤给出了连接吊架的说明。

A. The shock strut is an elastic oil-air unit.

B. The shock absorber is a flexible hydraulic-pneumatic unit.

C. The shock absorber is a telescopic oleo pneumatic unit.

A. 用干净的棉布浸湿水后清除除污剂。

B. 用清水浸湿并清洗带有洗涤剂的干净棉布。

C. 用干净的棉布清除污渍,再用清水洗涤。

A. 飞机不同的尺寸和面积决定于飞机的用途,但是所有现代飞机都有一些共同的部件。

B. 飞机不同的形状和尺寸决定于飞机的用途,但是所有现代飞机都有一些共同的部件。

C. 飞机不同的形状和尺寸决定于飞机的用途,但是所有现代飞机都有一些共同的特性。

A. The manufacturer＇s masterhead, model and publication title shall appear at the top of each page except on those pages where a component manufacturer＇s masterhead appears in accordance with Paragraph 7.1.4;

B. The manufacturer＇s masthead, model and publication title shall appear at the top of each page except on those pages where a component manufacturer＇s masthead appears in accordance with Paragraph 7.1.4;

C. The component manufacturer＇s masthead, model and publication title shall appear at the top of each page except on those pages where a manufacturer＇s masthead appears in accordance with Paragraph 7.1.4;

A. Jack was glad because he missed his plane

B. Jack was unhappy because he missed his plane

C. Jack was relaxed because he missed his plane

A. The main principle of operation of a turbine engine involves the compression of large amounts of air to be mixed with fuel and burned;

B. The main principle of operation of a turbo engine involves the contraction of large amounts of air to be mixed with fuel and burned;

C. The main principle of operation of a turbine engine involves the compressor of large amounts of air to be mixed with gasoline and burned;

A. 制造商可以选择在本章第91章中包含线路图,或者建立单独的线路图手册。

B. 供应商可以选择在本章第91章中包含线路图,或者建立单独的线路图手册。

C. 制造商吨以选择在本章第91章中包含线路图,或者建立联合的线路图手册。

A. When stop the engine, make sure that the engine decelerates to 500 RPM.

B. If the engine decreases to 500 RPM, you must to stop it.

C. When the engine RPM decreases 500, you＇d better stop the engine.

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.