题目内容

The ship()on a low rock was broken in two by the waves.

A. that had been driven
B. had been driven
C. have been driven
D. which to have been drive

查看答案
更多问题

通常所称的焊条直径均是指()。

切削加工中,提高切削速度就不易断屑.

A. 正确
B. 错误

椭圆-圆孔型系统的优点是轧件运行稳定。

A. 正确
B. 错误

作为艺术设计,其重要任务是创造()的形式。

答案查题题库