pumping current的例句大全

Based on the law of conservation of energy and the analysis of the detailed movement of beam pumping unit by complex vector analysis, mathematical model of electric current, polish rod load and point of suspension displacement was established.

以能量守恒定律为基础，同时利用复变矢量法对游梁式抽油机的运动规律的分析，建立了电流与光杆载荷及悬点位移之间关系的数学模型。

During the current risk rally, central banks have been pumping liquidity into banks to the tune of 6-8 per cent of GDP.

在当前的风险反弹中，各国央行一直在向银行注入流动性，总数达到gdp的6-8%。

It should satisfy dynamic stability, thermal stability, switched-current and switch up-down selectivity in a short circuit while selecting the pumping station using electricity system equipments.

选用站用电系统设备时应满足短路时的动、热稳定，开断电流，开关上、下级的选择性等要求。

The current situation and development of PV pumping system are described in this paper.

本文介绍光伏水泵和照明综合应用系统，以及光伏水泵系统的发展情况。