Warning: file_put_contents(): Only 0 of 5130 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/52065.com/index.php on line 55 exploratory boring例句_exploratory boring英汉例句_exploratory boring双解例句_伍贰汉英词典
Based on the statistics of exploratory boring data, the main characters are researched on magmatic intrusion in Qidong coalmine. 通過對祁東煤鑛勘探鑽孔統計資料分析，研究了巖漿侵入煤層的主要特征。