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

　可以使用尖嘴钳拆卸O-形封圈。 Can use pointed-nose pliers remove O- shape sealing ring。

　报废旧的O-形封圈,使用新的O-形封圈。Report of waste O- shaped seal ring, using the new O- shape sealing ring。

　可以重复使用经检查合格的拆下的O-形封圈。 Can be used repeatedly after inspection qualified to remove the O- shape sealing ring。

正确答案：B

解析：

在更换O-形封圈的时候: 答案解析：选项B (报废旧的O-形封圈,使用新的O-形封圈) 正确。在更换O-形封圈时，通常需要将旧的封圈报废，因为旧的封圈可能已经磨损或损坏，不再提供有效的密封。使用新的O-形封圈可以确保良好的密封性能。

题目纠错

A330机型熟悉课程试题

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699.以下对TYPE1系统说法错误的是( ) which of the following description of the TYPE1 system is not correct

698.驾驶舱顶板上的CMC按钮开关的作用是( ) the role of CMC switches on the cockpit overhead panel is

697.以下关于CMC工作情况正确的是( ) which of the following description of the CMC is correct?

696.以下对CMC功能描述正确的是( ) which of the following description of the CMC function is correct

695.MCDU屏幕上,某系统后跟一个( )的信息是指( ) The MCDU screen, a system with a ( ) refers to the information

694.MCDU上亮度( )键的功能是( ) the function of MCDU BRT knob is:

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

692.在MCDU中”FAULT MESSAGES→”的意思是( ) on MCDU,”FAULT MESSAGES→”means:

691.在MCDU中”PRINT←”的意思是( ) on MCDU,”PRINT←”means:

690.在CMS维护菜单中,”以前的航段报告”是指( ) In CMS maintenance menu, “previous reports” refers to :