A member is said to be when the steel is stressed after the concrete has hardened to specific design strength.
A. pulled B. drawn C. post-tensioned D. observed
题目答案:C
题目解析:2
A member is said to be when the steel is stressed after the concrete has hardened to specific design strength.
A. pulled B. drawn C. post-tensioned D. observed
题目答案:C
题目解析:2