CHTA型锅炉给水泵是如何使轴向力平衡的?

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问题:

CHTA型锅炉给水泵是如何使轴向力平衡的?

考点:电力生产“1000个为什么”单元机组集控基础知识单元机组集控基础知识题库
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短文改错(10分)

I’m glad to write to you. It is near a month since you had left our hospital. I’m still worried about you. How are you get along these days? I think you may be much better now, but I’d better have a good rest and take good care of yourselves since you are sixty-year-old man. I still remember those days which you helped me to my English. With your help, I make good progress. But to my regret, my English remains very poor through I have made good use of my time. Can you give me some advice on it?

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老年流脑有如下特点()

A.病程长,夹杂症多,并发症多,预后差

B.暴发型流脑病死率高

C.血白细胞常明显增加,表示病情重

D.上呼吸道感染症状多见

E.常见意识障碍明显,皮肤黏膜瘀点、瘀斑明显

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货物汽车在通过电气化铁路平交道口时,从地面算起,货物装载高度不得超过()米,在装载高度超过2米的货物上严禁坐人。

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转炉炼钢中产生的喷溅可分为爆发性喷溅、()、()。

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What percentage of the total distribution are 1 sigma from the mean equal to ().

A.68.8%

B.99.9%

C.95.5%

D.99.7%

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