“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	ultra-relativistic quantum molecular dynamics model ultra-relativistic quantum molecular dynamics model, UrQM ultrareliable ultra-scan ultrascheme ultra-sensitivity ultrasensitivity ultra-shallow junction ion implantation ultrashort antenna ultra short baseline localization ultra short base line positioning ultra short baseline positioning system ultra short laser pulse ultra-short laser pulse ultrashort laser pulse ultra short optical pulse width calibration ultra-short-period binary ultra-short-period B star ultra-short-period Cepheid ultrashort-period planet ultra-short-period variable ultrashort pulse ultrashort pulse current electrochemical micromachining ultrashort pulse laser ultrashort pulse shaping

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