×
单选题
这种类型的开关的内部失效可能使开关保持闭合，尽管扳钮或按钮回到了OFF位。
A
An internal failure in this type of switch may allow the switch to remain closed even though the toggle or button returns to the OFF position.
B
An inner fault of this kind of switch may keep the switch clogged despite the knob or pushbutton returning to the OFF position.
C
An interior loss which occurs in this type of switch, may stay closed in spite of the OFF position of the knob or button.
答案解析
正确答案：A
相关知识点：
开关内部失效的情况
相关题目
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.
单选题
You can stop the starting sequence at any time.
单选题
The computer controls compressor airflows to prevent stall.
单选题
Remove the sealant with a blunt scraper.
单选题
Bleed the system before you disconnect the components.
单选题
Do not loosen the nut to align it.
