service main是什么意思

网络释义

用法例句

Achievements in water conservation in Zhengzhou:from the aspect of sudden drop of total water supply;

从城市供水总量骤降看郑州节水成效

The derivation of aggregate supply curve is one of the most important parts of macroeconomics.

总供给曲线的推导是宏观经济学中的最重要内容之一。

Studies and Developments of Bus-Powered Technology on Industrial Ethernet;

工业以太网总线供电技术的研究与开发

Using leisure line of connection cable supply work power of field equipment to realize power supply for field bus.

通过用连接电缆中的空闲线缆为现场设备提供工作电源，以实现现场总线供电。

Power Supply Project of UPS Redundant Parallel Connection and Bibus Connection(3)

UPS冗余并联与双总线连接供电方案(三)

Power Supply Project of UPS Redundant Parallel Connection and Bibus Connection(2)

UPS冗余并联与双总线连接供电方案(二)

Power Supply Project of UPS Redundant Parallel Connection and Bibus Connection(1)

UPS冗余并联与双总线连接供电方案(一)

An electric power distribution bus ( or cable ) that supplies functional units or electronic devices.

给操作部件或电子器件供电的一种电力分配总线(或电缆线)。

High Speed Serial Link Transceiver and Parasite Power Supply on Serial Link;

高速串行收发器与寄生供电总线的研究

When the yellow power input lead is connected, power will always be supplied to the memory circuit even when the ignition key is turned off.

当连接黄色电源线时，即使点火钥匙关闭，也总是向记忆电路供电。

The alternating current supply to UPS for the main telephony equipment will be connected to an essential supply bus so that power can be provided by generators, when necessary.

主电话设备所用的UPS交流电源将接到基本电源总线，以便需要时由发电机供电。

Calls by the reporters to the wrong number Bush gave out were met with an engaged tone.

当记者试着拨打布什总统提供的那个号码时，电话一直占线。

The Monitor and Control Power Supply System Based on Field Bus and Loads Character Research;

基于现场总线的供用电监控系统及负荷特性研究

A new low-voltage distribution monitoring and controlling system based on CC-Link/LT bus technology

基于CC-Link/LT总线技术的低压供配电监控系统设计

wiring that provides power to electric lights.

向电灯提供电能的配线。

HORN SWITCH FEED WIRE CAPTURED

固定的喇叭开关供电线

open-collector bus driver

集电极开路总线驱动器

Tried to get hold of you but the line was busy.

想和你通电话，但总占线

Research on Profibus Cables

Profibus现场总线电缆探究

A brief talk on the overall tactics of electric power marketing management of the power supply enterprise;

浅谈供电企业电力营销管理总体策略