1359. The system is used to indicate the quantity, temperature and pressure of the oil ( )

2941. To prevent the friction, polish the surface( )

2940. Relatively simple units may not require description and operation, and/or troubleshooting information( )

2939. Replace the slide valve if its surface is rough( )

2938. Put the removed part on a clean surface( )

2937. Hold the airspeed indication at the same value for 2 minutes( )

2936. Print the page number and date of issue or revision at the bottom of each page( )

2935. For small or relatively non complex airplanes, an abbreviated indexing method may be used( )

2934. 确保襟翼位置对称。 ( )

2933. Vertical lists make long complex sentences much easier to understand( )

2932. An applicability statement, prominently displayed, and similar to the following example ( )