钢的焊接性属于钢的工艺性能。
参考答案:对
— Did you watch the 52nd World Table Tennis Championships last night?
— Yes, it was covered , and it was exciting because our Chinese sports delegation(代表团) won the champion.
A.live
B.alive
C.living
D.lively
从《建筑结构荷载规范》中查得的某楼面荷载值为25kN/平米,此值是该类楼面荷载的()。
A、平均值
B、最大值
C、标准值
D、设计值