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单词 drawdown
释义 drawdown
[`drȯ´dau̇n]
GRAPHIC ARTS
In inkmaking, a procedure for obtaining a rough estimation of a color shade in which a small sample of ink is placed on a piece of paper and spread with a spatula to yield a thin film of ink.
HYDROLOGY
The magnitude of the change in water surface level in a well, reservoir, or natural body of water resulting from the withdrawal of water.
PETROLEUM ENGINEERING
The difference between the static and the flowing bottom-hole pressure.
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