滑油温度低于多少时，不得启动发动机

35.在部件你表面涂上润滑油( )

34.此系统用于伸出或收回起落架( )

33.This specification will meet the applicable government regulatory requirements ( )

32.If you do not find damage during the inspection procedure, assemble the unit( )

31.执行排故程序来找到故障原因( )

30.以数字顺序列出零件编号( )

29.Technical texts often contain long groups of words that have the function of one part of speech in a sentence ( )

28.The time intervals for the inspections vary with the types of aircraft( )

27.Each Handbook shall have an Airplane Weighing Form" that includes an airplane side view showing the location of weighing points[using jacking points or undercarriage]relative to the datum line( )"

26.Before you put new oil in the system, it is mandatory to replace the filter ( )