在一个房间的空旷区域，空间的扩展可以通过类似板或柱自由或整齐地放置被可视化。
The extension of space can be made visible through bodies such as slabs or poles placed freely or in rows in the spatial expanse of a room.
钻柱裂纹成核、扩展、刺漏等事故及断裂的控制是确保钻杆在钻井中运行安全的重要措施。
The control that accidents and fractures of crack nucleation, propagation and washout in drill pipes are importance steps to keep drill pipes safe run.
增强柱的尺寸对材料疲劳寿命影响较大，较大的基体空间可以为裂纹扩展增加更多的阻力。
Size of reinforcement bar significantly affected the fatigue life of materials, the larger the matrix space can make more resistance to crack propagation.
应用推荐