“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	Battle of Gan Battle of Gettysburg Battle of Ghujduvan Battle of Giron Beach Battle of Gok Battle of Grunwald Battle of Guandu battle of GuangZhou Battle of Guilin battle of hong Battle of Hong Kong Battle of Hongzhou City Battle of Isandhlwana Battle of Isly Battle of Issus Battle of Issus Mosaic Battle of Japan Battle of Java Battle of Jena-Auerstedt battle of Ji Nan Battle of jinchuan Battle of Jukwa Battle of Kadesh Battle of Kalanga Battle of Khtonnor

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