dc holdover是什么意思

网络释义

用法例句

Reliability Research on D.C. Broad Control System of Cadmium Nickel Accumulator

镉镍蓄电池直流屏控制系统的可靠性研究

Design of Storage Battery Monitor and Control System in DC Board Based on Fieldbus;

基于现场总线的直流屏蓄电池监控系统的设计

Qi-Kai Electric Company's main products are direct current panels, relay protecting panels, alternating current panels, mimic diagrams and charge-bypass chargers, moreover, we provide services for battery assembly.

奇凯电气公司主要生产直流屏、电保护屏、流屏、拟屏、电浮充电装置和名类蓄电池的组装。

Starting Characteristic Analysis of Traction Motors for Storage Battery Cars

蓄电池车辆直流电动机起动特性分析

The battery chargers maintain a charge on the station batteries, which supply power to the DC system if the AC system fails.

蓄电池充电器持续对变电站蓄电池充电。若交流系统发生故障,就由直流系统供电。

The DC system is normally supplied from a battery charger system, which is supplied from the low voltage AC system.

直流系统通常由蓄电池充电系统供电,蓄电池充电系统由低压交流系统供电。

The Design of Lead-acid Storage Battery Auto-float-charging Device

直流系统铅酸蓄电池自动浮充设备的设计

Analysis of Manitenance and Configuration Experience for Valve-Control Accumulator Direct Current System

阀控蓄电池直流系统维护与配置经验分析

Design of Bilateral DC Filter in Power Accumulator Battery Testing System

动力蓄电池组测试系统中双向直流滤波器设计

clock, master, battery, accumulator or mains powered

主时钟,由电池、蓄电池或交流电源驱动

A single cell, such as a dry cell, that produces an electric current.

蓄电池单独的一个电池，如干电池，能产生电流

electric accumulator (storage batteries)

蓄电池（二次电池）

THE APPLICATION OF THE TOUCHING SCREEN AND PLC IN THE UNINTERRUPTED POWER SUPPLY DEVICE OF STORAGE BATTERY;

触摸屏和PLC在蓄电池不间断电源装置中的应用

When current is withdrawn from the battery, chemical actions take place to produce the flow of current.

当从蓄电池中提取电流时，蓄电池内发生化学作用，使电流流动。

At intelligence control with Battery operate and DC power cupboard, for keep the battery using life.

对畜电池充电以及直流电源柜工作状况进行智能管理，保障蓄电池的使用寿命。

clock, wall, for electric system,battery, accumulator mains powered

电钟系统挂钟,由电池、蓄电池或交流电源驱动

This current restores the battery to a charged condition.

这一电流补充给蓄电池，即为充电状态。

clock,wall(excl.battery,accumulator or mains powered)

挂钟（不包括电池、蓄电池或交流电源驱动的挂钟）