光滑量规的通规用来控制被测零件的(),它不应超越最大实体尺寸。
A.局部实际尺寸
B.作用尺寸
C.最大极限尺寸
D.最小极限尺寸
参考答案:B
Bending down,he the footprints that hadn’t been blow away in the wind, concluding that they belonged to a wolf.
A.ignored
B.inspected
C.expanded
D.defended
转8G型转向架的特点有哪些?