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【简答题】
在零件图样上标注轴为 φ80js7。该轴的尺寸公差为30μm,验收时安全裕度为3.0μm,则该轴的上验收极限为( )mm,下验收极限为( ) mm。
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皮皮学刷刷变学霸
举一反三
【单选题】Manystudents take Internet-based courses mainly because they can ____
A.
earntheir academic degrees With much less effort
B.
savea great deal on traveling and boarding expenses
C.
select courses from variouscolleges and universities
D.
work on the required courses whenever andwherever
【单选题】How manystudents in your school have been ___ to famousuniversities this year? [ ]
A.
entered
B.
accepted
C.
received
D.
admitted
【判断题】Manystudents found computers boring and did not like to use them in their study.
A.
正确
B.
错误
【简答题】1 谈判者应具备的政治素质、道德品质修养及心理素质 谈判者应具备的素质 包括?
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