“introductory column”的概念、定义、翻译、参考文献-科学参考

单词	introductory column
释义	introductory column [¦in·trǝ¦dǝk·tǝ·rē `käl·ǝm] ^{MINING ENGINEERING} The highest and first column that is inserted in casing a borehole.
随便看	sequential search sequential selection sequential system sequential trials sequestering agent sequestrum Sequoia serac serandite Serber potential sere serein serge Sergestidae serial serial-access serial addition serial bit serial communications serial correlation serial digital computer serial dot character printer serial feed serial file serial homology

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。