磨损的补偿与调节

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问题:

磨损的补偿与调节

考点:摩擦学摩擦学题库
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根据短文内容,判断正(T)误(F)。

  Tom works in a supermarket. The supermarket is far from his house. He

gets up very early in the morning. He usually has breakfast at half past six and

takes a bus to work. He has lunch in the supermarket. He has supper with his

family at home. After supper he usually walks along(沿着) the river with his

wife. At seven he watches TV or listen to the music .

  Tom likes his work very much. He is always kind to others. And all his

friends love him, too. They work happily.

( ) 1. Tom is a worker in a supermarket .

(     ) 2.Tom's house isn't far from the supermarket .

(     ) 3. He doesn't have lunch with his family .

(     ) 4. He is a good worker.

(     ) 5. Few of his friends like him.

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目前HVDC适用的场合有()。

A.高电压、远距离、大容量输电

B.跨海送电

C.成联网状态送电

D.配合新能源输电

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车削薄壁工件的外圆精车刀和内孔精车刀的______应基本相同。

A.主偏角κr

B.副后角α'o

C.后角αo

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客户进店接受服务时会体验到服务的总价值包括:产品价值、服务价值、()、形象价值。

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对生命科学做出划时代贡献的最早的科学家及其学术成就是()。

A.达尔文及其《物种起源》

B.沃森和克里克及其DNA双螺旋模型

C.考恩及其DNA体外重组技术

D.威尔姆特及其哺乳动物克隆技术

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