桩底硬层临界厚度
参考答案:
当持力层下方存在软弱土层时,桩底下距下卧软弱层顶面的距离t小于某一值tc时,桩的阻力随着t的减小而下降,tc称为桩底硬层临界厚度
给出B类地址190.168.0.0及其子网掩码255.255.224.0,请确定它可以划分几个子网?()
A、8
B、6
C、4
D、2
— Do you think it's a good idea to make friends with your students?
— ____ , I do. I think it's a great idea. [ ]
A. Really
B. Obviously
C. Actually
D. Generally