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【单选题】
单相桥式整流电路的优点是提高了变压器的利用率，不需要带中间抽头的变压器，且( )。A.
减少了晶闸管的数量
B.
降低了成本
C.
输出电压脉动小
D.
不需要维护
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举一反三
【单选题】Which of the following ones does not belong to Geely’s turnaround plan?
A.
Geely will not interfere in Volvo’s management of day-to-day decisions and will continue producing Volvo cars in Europe.
B.
Geely will manufacture the same vehicles as Volvo.
C.
Geely will use Volvo’s technology in its vehicles.
D.
Geely intends to build a factory that can produce 300,000 cars per year.
【单选题】下列因素中导致自激振动的是( )。
A.
(A)转动着的工件不平衡
B.
(B)机床传动机构存在问题
C.
(C)切削层沿其厚度方向的硬化不均匀
D.
(D)加工方法引起的振动
【简答题】齿轮轮齿失效的形式有哪些?
【简答题】Geely bought Volvo Cart in 2010. → Volvo Cars by Geely in 2010.
【单选题】_____ my school days in the Affiliated High School of Shanxi University, I had a sense of pride.
A.
Looking up to
B.
Looking down upon
C.
Looking away from
D.
Looking back on
【简答题】When I was in high school, my father retired and set up a food booth on the street near my school. He was particularly good at . Every day after I finished school, my classmates and I would his...
【判断题】(1) Geely built Geely College in 1985 and donated 8 million in Wenchuan Earthquake. Since 2000, Geely is the subcompany of VOLVO.
A.
正确
B.
错误
【简答题】Geely bought Volvo Cars in 2010. Volvo Cars ( ) Geely in 2010.
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