驱动比 meaning in English
actuating ratio
drive ratio
Examples
- The paper points out that the reasons for displacement efficiency improving of pressure coring well are as follows : firstly , extra - high injection multiples ; secondly , extra - low critical drive ratio ; thirdly , high velocity fluid ' s big differential pressure drive during the process of coring
得出导致矿场密闭取心井驱油效率高的原囚：一是特高的注水倍数，二是特低的临界驱动比，三是取心过程中高黏度流体的大压差驱动。