Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/86967e4b35f612ba2178a580ef8a4967.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 perturbational例句_perturbational英汉例句_perturbational双解例句_按摩法牛津词典
The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation. 借助隨機有限元方法和攝動方程初步分析了鑽壓波動對井眼軌跡的影響。