Warning: file_put_contents(): Only 0 of 7605 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 drill stem buckling是什么意思，drill stem buckling的翻译，drill stem buckling音标、读音、用法和例句_开心英文字典_柠咚词
On the basis of energy method, the possibility of drill stem buckling in inclined straight hole is studied. 本文应用虚位移原理，在充分考虑钻柱所处的特殊环境的基础上，考察了斜直井眼中钻柱屈曲的可能性。