脉动负荷;脉动负载;脉动荷载;脉动载荷
According to the production reality of oilfield, 9 kinds of load situations are set up to simulate the mechanics action. After that, it calculates the wind vibration coefficients and pulsating equivalent wind-load at four parts of derrick by theory of structure random vibration.
根据油田生产实际,建立了9种模拟井架结构力学行为的载荷工况,运用结构随机振动理论计算了四段井架结构的风振系数和等效脉动风载荷。
The fatigue experiment of steel strand with pulsating tensile load and doubly piled clamping apparatus
多绳提升的脉动载荷与张力平衡钢绞线脉动拉伸疲劳试验和双层叠加式夹具
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