rod string vibration 抽油杆住振动
study on string vibration 弦振动研究
vibration of string 弦的振动 ; 弦振动
piano string vibration 钢琴弦振动
tubing string vibration 油管柱振动
string vibration theory 弦振动理论
The implicit expression of displacement of string vibration was established by the time integration method.
由时间积分法建立了弦振动位移的隐式表达式。
A problem about tubing string vibration caused by the fluid unsteady flow inside tubing string is studied from the Angle of solid liquid coupling vibration in dynamics.
文章从动力学中固液耦合振动的角度出发，研究了油管柱内流体不稳定流动引起的油管柱振动问题。
Drill string vibration of deep Wells is studied in the article. The axial vibration, lateral vibration and torsional vibration of drill strings are analyzed.
文章研究深井钻柱的振动问题，以深井钻柱为研究对象，分析研究了钻柱的纵向振动、横向振动及扭转振动。
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