为了使连梁弯曲屈服,应降低连梁的弯矩设计值,方法是()。
A.弯矩调幅
B.减小弯矩
C.增大剪力
D.构造措施
参考答案:A
根据汉意或首字母提示填空。
1. They are going to a_____ on TV next month.
2. The ______ (背景) of the movie is very beautiful and cool.
3. My ______ (家乡) is in a small town in China.
4. I go to my ______ (祖先) homeland every year.
5. We often s______ the Internet for some information.
在检查室和治疗室由任意位置观察射野与患者治疗部位间的相对关系和射野间的相对关系是()
A.BEV
B.REV
C.DRR
D.XR
E.都不是