Warning: file_put_contents(): Only 0 of 4820 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 Vuggy rock例句_Vuggy rock英汉例句_Vuggy rock双解例句_沉淀汉英词典
A theoretical formula of vuggy rock compressibility is proposed based on the theory of material mechanics and elastic theory. 根据材料力学和弹性力学的有关理论，推导出了溶洞介质的压缩系数计算公式。