949.Be careful when you move jet pipes or exhaust cones that have insulating blankets ( )

3351. Polish the window with a circular movement( )

3350. Text may be prepared in one or two columns with or without justificationWarnings,cautions and notes may be usedto highlight or emphasize important points( )

3349. Detailed information on more complex and specialized subjects, such as Structural Wiring Diagrams or Overhaul Information, may either be included in the basic Maintenance Manual or made available as separate documents at the option of the manufacturer and to the extent the manufacturer determines appropriate ( )

3348. 使用应急泵时应记录操作时间。( )

3347. Close the flow control and shutoff valves for the air conditioning packs( )

3346. Release the spring tension ( )

3345. The second mode of pressurization control is the constant differential mode , which controls cabin pressure to maintain a constant pressure difference between the air pressure inside the cabin and the ambient air pressure , regardless of aircraft altitude changes ( )

3344. Use suction to remove the unwanted material ( )

3343. 要了解更多信息,请参阅官方的参考书。( )

3342. 按此顺序紧固螺栓是标准程序。( )