提高车辆通过曲线的速度,受到哪些因素的制约?

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问题:

提高车辆通过曲线的速度,受到哪些因素的制约?

考点:高铁岗位考试高速铁路知识高速铁路知识题库
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During this summer vacation,I went to the country to 小题1:_________           

see my uncle.We haven’t seen each other for a long time  小题2:      

I was very glad to see that he was living happy life and    小题3:       

that great changes had been taken place in his home.He had 小题4:       

worked there for more than twenty years,and he looks very  小题5:      

strong.I went to work in the fields with uncle and his      小题6:      

workers every day.Though I was a bit tiring.I felt very happy.小题7:      

That I liked most was to watch the sunrise there and       小题8:     

swimming in the small river.At the end of the vacation,I   小题9:      

had to say goodbye for my uncle and left the beautiful village 小题10:

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在闭合性腹部损伤时判断有无内脏损伤最有用的检查方法是

A.X线腹部平片
B.血尿常规检查
C.超声波检查
D.腹腔穿刺

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国家为实现其统治,都要采取一定的方式组织国家机关,现代国家民主政体的特征是

A.议会制

B.总统制

C.君主制

D.代议制

题型:问答题 简答题

J曲线效应

题型:问答题 简答题

由于填料压得过紧,造成离心泵电流过低应()

A、拧紧填料压盖

B、消除机械摩擦

C、检查更换轴承

D、检查泵轴是否弯曲

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