“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	costumes and paraphernalia of an opera troupe in Yangzhou with a salt merchant as the manager Costumes and Props of Kunju Opera Costumes and Props of Peking Opera costumes for music, dance and acrobatics performance costumes for Qinqiang opera of Xijiaojiang Village, Hu County costumes for Yueju opera costume shape design costume size design Costumes of Han Dynasty costume style costume style design costume style drawing costume TV drama costume virtual reality design costus family cost-utility analysis of health service cost vector CO₂相变致裂 CO₂驱动 cosurfactant COSY cosy cosymmedian triangle cosymplectic tensor cosynthesis

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。