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使用中封式换向阀时，不允许整个回路系统内有泄漏，也不允许阀内有泄漏，漏气后会降低精度；A.
正确
B.
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【单选题】The best title for this passage is ______.
A.
Nokia sees the biggest market in china.
B.
Nokia invests in china again.
C.
Nokia helps with the development of education in china.
D.
Nokia makes more mobile phones in china.
【简答题】Outline Nokia 1) The Joint Group of Nokia is founded in . 2) The motto of Nokia in China is “walk hand in hand to ”. 3) The emphasis of Nokia’s corporate culture is , and favorable for its staff. 4 ) ...
【简答题】阅读理解 WHO KILLED NOKIA? Nokia executives attempted to explain its fall from the top of the smartphone pyramid with three factors: 1) that Nokia was technically inferior to Apple, 2) that the company wa...
【单选题】What's the effect of the US slowdown?
A.
Cutting into demand for Nokia's handsets.
B.
Promote other economies.
C.
Many firms break down.
D.
Many handsets don't sell.
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