Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/e133098f624b588a3301d53280bd2fad.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 perturbational是什么意思，perturbational的翻译，perturbational音标、读音、用法和例句_流逝汉英词典
The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation. 借助随机有限元方法和摄动方程初步分析了钻压波动对井眼轨迹的影响。