2) backward shift
反移，后移[位]
3) lagged displacement
滞后位移
1.
Based on the opening condition of oil well pump traveling valve,considering the reality of late oil extraction,the computational formulas of plunger lagged displacement are deduced,and computation program is compiled to apply to measuring wells on-the-spot.
根据抽油泵游动阀的开启条件,考虑采油后期的实际状况,推导柱塞滞后位移的修正计算公式,编制计算程序并应用于现场测试井。
4) displacement delay
位移滞后
5) later water level
水位后移
1.
The basic principle and its application of chronological loop curve method, later water level method, adjusting factor method and fluctuating ratio method were analyzed here.
介绍连时序绳套曲线法 ,水位后移法 ,校正因数法 ,涨落比例法的基本原理及其在梧州水文站的应用分析。
6) Post Weld Shift
焊后位移
补充资料：被移位垒包
因受到碰触及撞击而离开正常位置的垒包。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条