孔的最大极限尺寸与轴的最小极限尺寸之代数差为负值叫（）。
A.过盈值
B.最小过盈
C.最大过盈
D.最大间隙
参考答案：B
在小区重选过程中，始终按R准则进行选择。（）
Marty’s disability is “one in a million”. ______, there are not many people in the world like him.
A．In other words
B．All in all
C．For one thing
D．On the other hand
