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【判断题】
基准重合时最终工序尺寸及公差一般取自零件图上规定的值, 其他工序尺寸为该工序的后一道工序尺寸加外表面或减内表面后一道工序的加工余量,公差取该工序加工方法的经济加工精度,并按“入体原则” 确定其上、下偏差。A.
正确
B.
错误
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举一反三
【单选题】What feature of all the advertised properties is likely to be attractive to Ms. White?
A.
The size of backyard
B.
The view of the surrounding area
C.
The number of bedrooms
D.
The location near public transportation
【简答题】A. sou th B. th eatre C. th erefore D. th ink
【单选题】What is the specific feature of fossil fuels?
A.
They are colorless.
B.
They are odorless.
C.
They are rich in carbon.
D.
They are easy to freeze.
【单选题】If you are suffering from insomnia (失眠), you may tune into a channel feature ______.
A.
the sounds of birds
B.
the sound of croaking frogs
C.
folk music from all over the world
D.
a mature male voice slowly counting from one to a thousand.
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