压力容器下降环腔
pressure vessel downcomer
闭环压力控制
closed-loop pressure control
Close-loop pressure control
井底循环压力
bottom hole circulation pressure
bottom hole circulating pressure
开环压力控制
open-loop pressure control
平均循环压力
mean circulatory pressure
压力环流系统
pressure circulating system
压力环流油润
force feed circulation oiling
钻孔梳形压力环
drilled comb pressure ring
钻-悬循环压力差
on-off bottom pressure-drop
最优循环压力
The optimal heat rejection pressure
泵腔压力分布
distribution of chamber pressure