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【多选题】
新安装或大修后的有载调压变压器在投入运行前,运行人员对有载调压装置应检查项目有()。
A.
有载调压装置的油枕油位应正常,外部各密封处应无渗漏,控制箱防尘良好
B.
检查有载调压机械传动装置,用手摇操作一个循环,位置指示及动作计数器应正确动作,极限位置的机械应可靠动作,手摇与电动控制的联锁也应正常
C.
有载调压装置电动控制回路各接线端子应接触良好,保护电动机用的熔断器的额定电流与电机容量应相配合(一般为电机额定电流的2倍),在主控制室电动操作一个循环,行程指示灯、位置指示盘,动作计数器指示应正确无误,极限位置的电气应可靠;紧急停止按用
D.
有载调压装置的瓦斯保护应接入跳闸
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参考答案:
举一反三
【单选题】These books are ____ intended for those who learn how to use computers. It's an ABC of computer learning. [ ]
A.
particularly
B.
specially
C.
especially
D.
extraordinarily
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【单选题】What was Anne Sullivan in common with Helen Keller?
A.
Neither could talk.
B.
Neither had learned how to speak.
C.
Both suffered blindness.
D.
Both of them were deaf.
查看完整题目与答案
【判断题】收入类会计科目与费用类会计科目,一般没有期末余额但有期初余额。
A.
正确
B.
错误
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【单选题】关于脓肿的叙述,下列哪项是正确的
A.
为弥漫性化脓性炎
B.
为局限性化脓性炎
C.
局部组织增生明显
D.
中性粒细胞弥漫浸润
E.
属于凝固性坏死
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【判断题】中国进口商品结构之中,初级产品明显要少于工业制成品。()
A.
正确
B.
错误
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【单选题】In this new course, you_______how to deal with communication problems.
A.
learned
B.
will learn
C.
have learned
D.
arelearning
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【简答题】听力原文:How many years had the creator Walt Disney had for the dream of Disneyland? How many years had the creator Walt Disney had for the dream of Disneyland? He had the dream for ______
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【单选题】_____ at the seaside! [ ]
A.
How fun the children had
B.
What a fun the children had
C.
How fun had the children
D.
What fun the children had
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【单选题】图示电路中电压 U ab 一定,合上开关 S ,电压表读数的变化为 。
A.
无变化
B.
变大
C.
变小
D.
无法判断
查看完整题目与答案
【简答题】接受台胞捐赠一台设备,价值50,000元,材料20,000元。
查看完整题目与答案
相关题目:
【单选题】These books are ____ intended for those who learn how to use computers. It's an ABC of computer learning. [ ]
A.
particularly
B.
specially
C.
especially
D.
extraordinarily
查看完整题目与答案
【单选题】What was Anne Sullivan in common with Helen Keller?
A.
Neither could talk.
B.
Neither had learned how to speak.
C.
Both suffered blindness.
D.
Both of them were deaf.
查看完整题目与答案
【判断题】收入类会计科目与费用类会计科目,一般没有期末余额但有期初余额。
A.
正确
B.
错误
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【单选题】关于脓肿的叙述,下列哪项是正确的
A.
为弥漫性化脓性炎
B.
为局限性化脓性炎
C.
局部组织增生明显
D.
中性粒细胞弥漫浸润
E.
属于凝固性坏死
查看完整题目与答案
【判断题】中国进口商品结构之中,初级产品明显要少于工业制成品。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】In this new course, you_______how to deal with communication problems.
A.
learned
B.
will learn
C.
have learned
D.
arelearning
查看完整题目与答案
【简答题】听力原文:How many years had the creator Walt Disney had for the dream of Disneyland? How many years had the creator Walt Disney had for the dream of Disneyland? He had the dream for ______
查看完整题目与答案
【单选题】_____ at the seaside! [ ]
A.
How fun the children had
B.
What a fun the children had
C.
How fun had the children
D.
What fun the children had
查看完整题目与答案
【单选题】图示电路中电压 U ab 一定,合上开关 S ,电压表读数的变化为 。
A.
无变化
B.
变大
C.
变小
D.
无法判断
查看完整题目与答案
【简答题】接受台胞捐赠一台设备,价值50,000元,材料20,000元。
查看完整题目与答案
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