model jd-2 f bore-hole seismometer jdf型井下地震计
f hole
f孔
以上为机器翻译结果，长、整句建议使用 人工翻译 。
With down-hole temperatures of 440 degrees F. and pressures of 27, 000 pounds per square inch, such depths proved too daunting and expensive for Exxon-Mobil (XOM), which sold its Blackbeard well, at the mouth of the Mississippi, to McMoRan in 2008.
FORBES: Bullish On U.S. Oil And Gas? Consider These 'Stocks Under Rocks'
Plugging the hole could be "astronomically expensive, " says Edmund F.
FORBES: Magazine Article
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