With the impact and vibration of the crane, it may cause the rail installation loose, the connector fall off, deformation, crack, precision index super difference.
随着起重机运行时产生的冲击和振动,可能引起轨道安装的松动、连接件脱落、变形、裂纹、精度指标超差。
2
Under the subway vibration mechanical model of the permanent deformation of loess research.
地铁振动下黄土永久变形力学模型的研究。
3
Now the researches of piezoelectric structure are mainly vibration control and deformation control.