铣削矩形牙嵌离合器时,为了保证三面刃铣刀的侧刃通过工件轴线,常采用的对刀方法中精度较

题型:单项选择题

问题:

铣削矩形牙嵌离合器时,为了保证三面刃铣刀的侧刃通过工件轴线,常采用的对刀方法中精度较高的方法是()。

A.划线对刀 

B.擦边对刀 

C.试切调整铣刀位置 

D.以上答案都对

考点:铣工考试中级铣工考试中级铣工考试题库
题型:单项选择题

阅读短文,选择正确答案。

    It's seven thirty in the morning. Mr Brown is going to work. He usually drives to work. But now he can't

find the key to his car. He asks Mrs Brown. She doesn't know. He usually puts the key in a small box. Is it in

other boxes? He looks into all the boxes, big or small, but it's still not there. "Don't worry. I think it's in your car."

Mrs Brown says. "Yes, it must be there." says Mr Brown. He goes out quickly to have a look. Soon he comes

back, and can't say a word. "What's the matter now? You must go to work now. You are late." Mrs Brown says

"It's not there, the car" Mr Brown says.

1. Mr Brown usually goes to work ________. [ ]

A.by bus

B.by car

C.on foot

D.by bike

2. Mr Brown can't ________. [ ]

A.open the room

B.get up

C.find the key to his room

D.find the key to his car

3. Usually the key is in ________. [ ]

A.a small box

B.a big box

C.other boxes

D.a red box

4. Who first thinks the key is in the car? [ ]

A.Mrs Brown

B.Mr Brown

C.Their son

D.Their daughter

5. Mr Brown is ________. [ ]

A.carefully

B.foolish

C.careless

D.strange

题型:单项选择题

货币首先是商品,它与其他商品一样,是人类劳动的产物,是价值和()的统一体。

A.价格

B.质量

C.劳务

D.使用价值

题型:单项选择题

牛奶的消毒采用温度80℃~90℃,时间30~60秒,这种方法称为()。

A、煮沸消毒法

B、巴氏消毒法

C、蒸汽消毒法

D、干烤消毒法

题型:单项选择题

当n( )时,资金回收系数约等于i。

A.很小

B.无限小

C.很大

D.无限大

题型:单项选择题

换热器的作用是将受热面一侧的()传递给另一侧。

A、能量

B、动力

C、热量

D、温度

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