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单词 finger
释义 finger
[`fiŋ·gǝr]
ANATOMY
Any of the four digits on the hand other than the thumb.
GEOLOGY
The tendency for gas which is displacing liquid hydrocarbons in a heterogeneous reservoir rock system to move forward irregularly (in fingers), rather than on a uniform front.
PETROLEUM ENGINEERING
A pair or set of bracketlike projections placed at a strategic point in a drill tripod or derrick to keep a number of lengths of drill rods or casing in place when they are standing in the tripod or derrick.
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