“downhole junk”的概念、定义、翻译、参考文献-科学参考

单词	downhole junk
释义	downhole junk Encyclopedia 工学钻井复杂事故种类释 downhole junk井下落物钻井时，形状不规则且无打捞部位可与打捞工具连接的物体（如钻头牙轮、刮刀片、井口工具等）落入井内的现象。
随便看	Modern Chinese Syntax modern Chinese teacher education thoughts Modern Ci Poetry modern climatic variation modern community modern constitution Modern Construction Technology modern construction technology modern control modern control theory modern copper metallurgy industry in China modern corporate systems of media Modern Criticism sect modern cultural industry system modern cultural market system modern culture modern cursive script modern dance Modern Design modern design Modern Discourse on Paintings Modern Distance Education Project of Rural Primary and Secondary Schools Modern drama Modern Drama Series Modern Drama Theatre of Shandong Province

科学参考收录了854744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。