The influence of oil supplying quality on circulation lubrication of presser was analyzed.
对压力机循环润滑的供油品质的影响进行了分析,提出了一种供油品质控制系统的设计方案,并对PLC控制部分的工作原理和设计要点进行了分析。
Inflow performance relationship (IPR) is one of the effective methods for describing oil feeding capacity of wells, also important basic data needed for determining and selecting lifting modes and working systems.
油井流入动态关系(IPR)是描述油井供油能力的一种有效方法,也是确定和选择举升方式和工作制度所需要的重要基础资料。
