“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	Qinghai Library Qinghai Liuwan Painted Pottery Museum Qinghai Longbao National Nature Reserve Qinghai Menda Guojiaji Ziran Baohuqu Qinghai Mountain Vole Qinghai Nanshan Qinghai Niaodao Guojiaji Ziran Baohuqu Qinghai People’s Opera Theatre Qinghai Pingxian opera Qinghai Plateau yak Qinghai Provincial Archives Qinghai Provincial Museum Qinghai Qaidam Suosuolin Guojiaji Ziran Baohuqu Qinghai Qinghai Lake National Nature Reserve Qinghai rock arts Qinghai Sanjiangyuan Guojiaji Ziran Baohuqu Qinghai Science and Technology Museum Qinghai Sheng Qinghaisheng Haidong Gongye Yuanqu Qinghai spruce Qinghai Ta'er Temple maintenance project Qinghai Tibetan Medicine Culture Museum Qinghai Tibetan Opera Troupe Qinghai-Tibet Railway Qinghai-Tibet Railway Civil Engineering

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