出现牵引变流器传输不良故障时,切除相应M车后可以维持运行,但牵引力会增加。
参考答案:错
小题1:What about _______(see) our teacher later on?
小题2:It takes me half an hour ______(work)out this question.
小题3:It was raining ______ (heavy) at this time yesterday.
小题4:I hope I’ll be a teacher when I ________(grow) up.
小题5:Who is the _________ (tall) Bill, John or Jim?
小题6:Would you please ________ (show) me your photos?
小题7:Look! Who is ________(draw) on the blackboard?
小题8:I always ________(go) to bed at 10:30.
小题9:What ______ you ______(buy) in the supermarket just now?
不符合分泌性中耳炎听力下降的是()
A.传导性耳聋
B.韦氏误听
C.伴有自听增强现象
D.低频为主的波动性听力下降
E.瞬息间突然发生的重度听力下降