| 单词 | pressure drawdown | 
| 释义 | pressure drawdown [`presh·ǝr ´drȯ´dau̇n]  PETROLEUM ENGINEERING The drop in reservoir pressure related to the withdrawal of gas from a producing well; for low-permeability formations, pressures near the wellbores can be much lower than in the main part of the reservoir; leads to pressure decline in the reservoir and ultimate pressure depletion.  | 
	
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