在一截面的任意点处,正应力σ与切应力τ的夹角________。
在下面的描述中,正确的是________。
— I would like to make an appointment for the meeting. Which day would you prefer, Tuesday or Thursday?
— _________________
应力-应变曲线的纵、横坐标分别为α=FN/A,ε=ΔL/L,其中________。
连接件应力的实用计算是以假设________为基础的。
侧垂面的H投影________。
正平面必然垂直于________。
为承受一部分斜拉应力,并固定受力筋、架立筋的位置所设置的钢筋称为________。
一点到两目标的方向线垂直投影到水平面上的夹角称为:________。
— What would you like to have, meat or fish?
— _____________________.
— I would like to make an appointment for the meeting. Which day would you prefer, Tuesday or Thursday?
— _________________
— ___________________
— Once or twice a week.
一般来说,放在问卷最后面的问题是________。
在一截面的任意点处,正应力σ与切应力τ的夹角________。
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