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【单选题】
当电源处于短路状态时,电源的电流I S 称为( )。A.
短路电流
B.
空载电流
C.
负载电流
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【单选题】There are no bunks for sleeping,just a nice,comfortable cushioned seat.The carriages are clean and roomy.What type of train ticket does this sentence refer to ?
A.
Hard sleeper
B.
soft seat
C.
hard seat
D.
soft sleeper
【单选题】“There are no bunks for sleeping, just a nice, comfortable cushioned seat. The carriages are clean and roomy.” What type of train ticket does this sentence refer to? ( )
A.
hard sleeper
B.
soft sleeper
C.
hard seat
D.
soft seat
【单选题】there are no bunks for sleeping,just a nice,comfortable cushioned seat.The carriages are clean and roomy.what type of train ticket does this sentence refer to ?
A.
Hard sleeper
B.
soft seat
C.
hard seat
D.
soft seat
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【单选题】"There are no bunks for sleeping, just a nice, comfortable cushioned seat. The carriages are clean and roomy." What type of train ticket does this sentence refer to?
A.
Hard sleeper
B.
Soft sleeper
C.
Hard seat
D.
Soft seat
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