“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	white night White Nights White Nile River whitening whitening filter whitening method White Noise white noise white noise analysis white noise emitter white noise process white noise series white-noise spectrum white noise theory white organic light emitting diode whiteout white pages White Pagoda at Zhakou White Pagoda in Liaoyang White Pagoda in Zhakou，Hangzhou White Pagoda of Miaoying Monastery White Pagoda of Miaoying Temple White Pagoda of Miaoying Temple, Beijing White Pagoda of Qingzhou White Pagoda of the Miaoying Temple

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。