工件装夹中由于()基准和定位基准不重合而产生的加工误差,称为基准不重合误差
A.设计(或工序);
B.工艺;
C.测量;
D.装配
参考答案:A
读两幅气温曲线降水柱状图,回答.下列地形区或城市的气候分别是A、B的是( )
A.四川盆地、长江中下游平原
B.泸州、北京
C.东南丘陵、柴达木盆地
D.广州、武汉
As an English major student, I think business English is more practical than other fields.
A.a English student/field
B.a English major student/regions
C.an English major/courses
D.an English student major/sciences