878、The minimum jack closed height must be less than the distance between the fitting and the ground when the aircraft is onits wheels:
答案解析
解析：
相关知识点：
两次检查最短时隔两分钟
相关题目
610、在某些情况下，如果数据表明，疲劳问题开始发生的飞行小时数比最初预测的要多，则有可能延长检查的间隔。
609、Dry the surface with a towel. 用毛巾擦干表面。
608、面板边缘与隔板之间的距离不得大于：0.05 mm.
607 、 Examine the flow control orifice and make sure the restrictor holes are free from blockage andcontamination
606、The laptop has these primary parts。
605、Total capacity and usable fuel shall be stated and, if the unusable fuel exceeds the limits of FAR 23, information shall be given identifying the quantities unusable in flight.
604、STE 词典给出了一个经过批准的存不同词性的替代词。
603、Components replacement are not available for the landing gear retraction system and the applicableindication system in this recommended list.
602、The vertical stabilizer is installed on the top of the fuselage tail section.
601、Except when the Handbook producer is restricted in choice or otherwise limited, the choice is his. 除非《手册》制作人的选择受到限制或受到其他限制，否则选择是他的。
