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【简答题】
电动机空载转动检查的运行时间可为(__);直流耐压泄漏电流的差别不应大于最小值的(__),当最大泄漏电流在(__)以下,各相间差值与出厂试验值比较不应有明显差别;各相绕组直流电阻值相互差别不应超过其最小值的(__)。
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举一反三
【单选题】The director had her assistant ________ some hot dogs for the staff members.
A.
picked up
B.
picks up
C.
pick up
D.
picking up
【单选题】The girl tried to escape after the theft, but having found that, the shop assistant seized her _____ the hair.
A.
in
B.
with
C.
by
D.
at
【单选题】The director had her assistant ______the memo.
A.
signing
B.
signed
C.
will sign
D.
sign
【简答题】The first jacket was too big. The sales assistant brought her another one the same style. in her ______.
【简答题】A．Her boyfriend. B．Her colleague. C．Her assistant. D．Her former schoolmate.
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