693.当按( )键时,可使MCDU直接跳回到主菜单 When the press () key, can make MCDU jump back to the main menu

9.HF系统用于( ) What is funcation of HF.

8.VHF用于( ) What is funcation of VHF?

7.下列部件属于长期控制的为( ) Which one is belong to the long-term control for the following parts:( )

6.当在力矩扳手前面加转接头且它们的中心线成一条线的时候,力矩扳手的长度是12英寸,转接头的长度是3英寸,要在螺帽上施加160磅·英寸的力矩,力矩扳手的读数应该是多少? When in front of torque wrench with adapter and their center lines into a line, torque wrench length is 12 inches, adapter length is 3 inches, 160 pounds and inches to be applied torque on the screw nut, torque wrench readings should be how much?

5.在给螺帽打力矩时,如果在力矩值范围内无法对齐螺帽和螺杆的孔来安装开口销,怎么办? In to the nut torque, if the torque range cannot align nut and screw holes to install cotter pin, how to do?

4.:在给紧固件打力矩的时候,如果一定要在力矩扳手前面加转接头,转接头的长度必须: When giving the fastener torque, if must be in front of torque wrench with adapter, the adapter must have length

3.在更换O-形封圈的时候: When replacing the O- shape sealing ring:

2.在拆装静电敏感设备机上可更换模块时必须: In the disassembly of ESD sensitive equipment on board replaceable module must be:

1.打双根保险丝的时候,绕过最后一个部件应继续缠绕多少股辫结? how many knots should continue winding round the last part when playing double fuse ?