岩层产状记录为120°∠25°时,表示岩层的走向为()。
A.25°
B.120°
C.30°
D.300°
参考答案:C
Questions 11~15
According to the passage, when is Yvoire busiest with tourists
A. In spring months. B. In summer months.C. In autumn months. D. In the Christmas season.
支架对安全阀有什么要求?