884.The moment is the product of the weight of an item multiplied by its arm ( )

54.Your check may not be accurate if you do not vent the IDG( )

53.Use cellophane to prevent damage to the surface ( )

52.Adjust the door operating rod until it aligns with the attachment point ( )

51.Pilots operating aircraft of other than US registry should refer to the regulations the country of certification for information on preventive maintenance that may be performed by pilots( )

50.MAKE SURE THAT THE FLUID INDICATOR LIGHT [ ] ( )

49.THE SYSTEM IS HYDRAULICALLY OPERATED AND ELECTRICALLY [ ] ( )

48.Wherever the CAP is directed to a specific part or component , It is implied that the Inspection will include observation and evaluation of the surrounding area of parts and equipment ( )

47.It sets forth manufacturer recommended retirement times for parts or assemblies( )

46.动词词组 ( )

45.英语的复杂句子结构和大量的涵义及同义词会让读者混淆( )