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【判断题】
跨接线是一根测试导线,使用跨接线可使电流绕过被怀疑是开路或断路的电路部分,从而使电路形成回路,可用于电路导通性测试。在使用跨接线时,不允许将跨接线直接跨接在用电设备两端,否则将烧损其他相关电路元件。
A.
正确
B.
错误
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举一反三
【单选题】An is an officer in the army or navy who helps a more senior officer
A.
excise officer
B.
marshal
C.
aide-de-camp
【单选题】The officer in charge of the engineering ______ the watch to the reliving officer if there is reason to believe that the latter is obviously not capable of carrying out the watch-keeping duties effect...
A.
shall take over
B.
shall not take over
C.
shall hand over
D.
shall not hand over
【单选题】There is one cabin for the Pilot and another one for the Chief Officer.Between them is the officer`s mess room
A.
The Chief Officer`s cabin is next to the Pilot`s
B.
The Chief Officer`s cabin is next to the mess-room
C.
The Chief Officer`s cabin is below the Pilot`s
D.
The Chief Officer`s cabin is below the mess-room
【简答题】A.A customs officer. B.A police officer. C.A car dealer. D.A school teacher.
【单选题】管道的安全隔断方法是( )。
A.
采用阀门
B.
插人盲板
C.
采用水封
D.
打开连接的管路
【单选题】管道的安全隔断方法是()
A.
采用阀门
B.
插入盲板
C.
采用水封
D.
打开连接管路
【单选题】管道的安全隔断方法是( )。
A.
采用阀门
B.
采用水封
C.
插入盲板
D.
打开连接的管路
【简答题】A.More than 8,000 million. B.More than 6,000 million. C.More than 2,000 million D.More than 1,000 million.
【单选题】There is one cabin for the Chief Officer and another one for the Pilot.Between them is the officer`s mess room.
A.
The Chief Officer`s cabin is opposite the mess room
B.
The Chief Officer`s cabin is opposite the Pilot`s
C.
The Chief Officer`s cabin is next to thr mess room
D.
The Chief Officer`s cabin is next to the Pilot`s
【单选题】管道的安全隔断方法是( )
A.
采用阀门
B.
插入盲板
C.
采用水封
D.
打开连接的管路
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