【简答题】今年 我们没钱 去度假。 _______________________ go on a vacation this year.
【判断题】It's much happier for Sang to have improvements in her treatment than to have had progress gymnastics.
【简答题】影响轴心受压构件稳定性的因素有哪些?初始缺陷包括哪些?《钢规》在确定轴心受压构件的稳定系数时,考虑了哪些因素?
【简答题】影响轴心受压构件稳定性的因素有哪些?初始缺陷包括哪些?