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【单选题】
司机控制器主手柄提至1位，LLC、LC接触器吸合后，LC接触器打呱哒板（）。
A.
LC接触器的保持线圈断路
B.
DJ误动作或主电路瞬间接地
C.
主电路低电位点接地
D.
主电路高电位点接地
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【单选题】After the birth of my second child，I got a job at a restaurant.Having worked with an experienced 16for a few days，I was 17to wait tables on my own.All went 18that first week.When Saturday night came，I...
A.
repeated
B.
discovered
C.
corrected
D.
described
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【单选题】After the birth of my second child，I got a job at a restaurant.Having worked with an experienced 16for a few days，I was 17to wait tables on my own.All went 18that first week.When Saturday night came，I...
A.
repeated
B.
discovered
C.
corrected
D.
described
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