简述水泵电动机启动后转速低的原因及处理方法。

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问题:

简述水泵电动机启动后转速低的原因及处理方法。

考点:渠道维护工考试初级渠道维护工初级渠道维护工题库
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IV. Writing 30%

Section A Spelling 10%

Directions: Please use the new words you have learned in unit 4,5 in Module 2 and unit 1in Module 3.

66. A m__________ is a person who performs or writes music, especially as his/her job.

67. He does some part-time jobs to earn e__________ money.

68. Bright colors are a__________ to children.

69. The group of popular singers will give another two p__________ before leaving China.

70. Their diet c_________ a lot of fat in the form of butter, cream, chocolate.

71. Thomas took great pains to save the __________ girl, but didn’t succeed.(快淹死的)

72. He _________ the mistake she had made.(原谅)

73. Without your __________, no one can enter this room. (允许)

74. There was a short and __________ battle between the two army.(激烈的)

75. Children of six, seven years of age were __________ under ground in coal mines.(雇用)

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甲创作了一部日文小说,乙经甲许可后,将该小说翻译成中文,丙希望把该小说改编成剧本()

A.丙应该取得甲的许可

B.丙应该取得乙的许可

C.丙应该取得甲和乙的许可

D.丙应该取得甲或乙的许可

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第三方物流又叫合同制物流。

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考虑两个事务Ti=Ii)和Tj=Ij),以及定义在Ti,Tj上的并发调度S,其中Ii,Ij分别代表组成Ti和Tj的操作,则下列中不会引起事务Ti的操作Ii与事务Tj的操作Ij冲突的是______。

A.Ii=read(Q),Ij=write(Q)

B.Ii=write(Q),Ij=read(Q)

C.Ii=read(Q),Ij=read(Q)

D.Ii=write(Q),Ij=write(Q)

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按五行乘侮规律,下述提法中有错误的是()

A.肝木反悔脾土

B.肾水侮土

C.木火刑金

D.肾水凌心

E.土壅木郁

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