事故调查表明，随着民航业的发展，事故因素的发展趋势是

65 data

64 在空间允许的情况下,图例应在图中说明,而不是在底部或相邻页面上的图例列表中用数字缩写或键入

63 Corrosion can have many causes

62 SET THE SWITCH TO THREE CYCLES A MINUTE.

61 Continuing Airworthiness Program Inspections usually includes two pages: one text page and one illustration page

60 参数一定不能超过批准的误差。

59 COLD

58 Replace components that are worn sore than the maximum limits.

57 clearance

56 用手挥泵将系统增压至150bar。