×
单选题
直接损坏的定义如下：1）金属表面燃烧、熔化或出现金属变形迹象。2） 非金属表面被烧伤、刺穿或分层。
A
Direct Damage is defined as follows: 1) Metallic surfaces are burned, melted or show signs of metal distortion. 2) Non-metallic surfaces are burned, punctured or delaminated.
B
Direct Damage is defined as follows: 1) Metallic surfaces are burned, combined or show signs of metal corrosion. 2) Non-metallic surfaces are burned, punctured or contaminated.
C
Direct Damage is defined as follows: 1) Metallic surfaces are burned, synthesised or show signs of metal distortion. 2) Non-metallic surfaces are burned, cut or delaminated.
答案解析
正确答案：A
相关知识点：
直接损坏的定义要记牢
相关题目
单选题
Loosen the nut one full turn.
单选题
Remove the valve located adjacent to pump.
单选题
If the values are different, do this test.
单选题
The precision of this adjustment is important.
单选题
Make a careful estimate of the damaged area.
单选题
Use the manual control in an emergency.
单选题
We recommended that you do not do this procedure in the hangar.
单选题
This figure shows the structure of the system.
单选题
Do an inspection of the adjacent area.
单选题
Remove and discard the cotter pins and the nuts.
