“井下落物”的概念、定义、翻译、参考文献-科学参考

单词	井下落物
释义	井下落物 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	southern galaxy Southern Grottoes Southern-Guangxi Subgroup of Pinghua Dialects Southern Han southern hemisphere Southern-Hunan Subgroup of Tuhua Dialects Southern Kunqu opera southern latitude Southern Liang southern Liaoning stilts Yangge southern light southern limit southern limit of eclipse southern magnolia Southern Metropolis Daily Southern Ming Southern-Min Subgroup Dialects Southern Mount Heng Scenic and Historic Area Southern National Park Southern Nations, Nationalities, and People's Region Southern Opera style Southern Oscillation Southern Palace Red Bird Southern Pinwheel Southern Pleiades

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。