主梁和梁焊接连接的桥架,以装车轮的基点测得的对角线()5mm。
A.应小于
B.应大于
参考答案:A
在影响涂层质量的因素中,影响比例最高的是()。
A.表面预处理
B.涂料的质量
C.涂施的工艺
D.干燥的因素
Innovative approaches to manufacturing, coupled with the tremendous size of the domestic market, led to the emergence of the United States as an industrial giant.
A.followed by
B.deriving from
C.combined with
D.mixed with