Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/23d74fb5a442b30420815006f1e64eee.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 overburden separated strata是什么意思，overburden separated strata的翻译，overburden separated strata音标、读音、用法和例句_94生活常识网有道词典
The mechanics model of the pressure balance arch in overburden is founded, that is necessary to calculate the sizes of separated strata rock layers. 建立覆巖內壓力平衡拱跡線的力學模型，計算離層巖板的尺寸；