当遇有斗轮机堆取料变幅升降不动作的情况时,应如何处理?

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问题:

当遇有斗轮机堆取料变幅升降不动作的情况时,应如何处理?

考点:电厂燃料运行工考试电厂燃料运行工考试题库
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革命伤残军人、()、()凭有效证件办理免费票。

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农田生态系统中的生物因素有_______,非生物因素有____________。

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首字母填空。

1. Millie wears a miniskirt. She looks s_______.

2. Daniel is very g_______ and he often shares things with his friends.

3. Liu Tao has a round face, but Zhang Han has a s_______ face.

4. Mr Lee is tall and h_______. Everyone thinks he is good-looking.

5. Miss Tang has no s_______ of humour . She is very strict with us.

6. When autumn comes, the l________ on the trees here turn yellow.

7. — What are you doing now?

    — I'm busy p_______ for the coming exam.

8. When it's fine, you can see many stars high in the s________.

9. Help y_______ to some fish, Simon and Millie.

10. The boy fell off the bike . L________, he wasn't badly hurt.

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五箱苹果的质量分别为(单位:千克):18,20,21,22,19,则这五箱苹果质量的平均数和中位数分别为 [ ]

A.19和20

B.20和19

C.20和20

D.20和21

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党的三大法宝是什么?

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