We used to weld pipes with direct current ( D . C ) are welder ( alternating current A . C. welder ).

This type of MP 3 player cannot be connected to alternating current.

这款MP3播放机不可以直接插交流电使用.

Further complicating matters , electricity flows through the grid primarily as alternating current.

如果发电太慢,系统管理者就必须削减负荷,这麽一来就会造成停电.

Forbid link alternating current to the output side.

严禁将交流输入电源接至节电器输出端上.

Sale: General merchandize, hardware, alternating current, product of chemical industry.

销售: 百货, 五金 、 交电 、 化工产品.

It is common for the direct current circuit to be interfered by alternating current voltage.

直流回路受到交流电压干扰,是控制回路中容易产生的现象.

The present form of power systems would be impossible without alternating current.

若没有交流电也就不可能有目前形式的电力系统.

A device used to convert current into alternating current.

反用换流器用于变直流电为交流电的仪器.

Either direct or alternating current may be used for driving electric trains.

直流电和交流电都可用来驱动电气火车.

This is an alternating current generator.

这是一台交流发电机.

The layer , being high adhesive, can absorb the alternating load.

该防水层可吸收交变负荷(震动膨胀收缩),粘结力强.

A trill is a rapid alternation between the two notes.

颤音是两个音符之间的一种快速转换.

After the alternation, motivation effects on peasant household are also weakened.

随着这一变更,农户所受的激励也有所削弱.

Colour and stucture extraction is made by alternation of pumping over.

酒体色泽与结构是由反覆搅桶淋汁得来.

Lin Sanzhi considered alternation very important in the creation of calligraphy.

林散之作书,注重变法.

Design change and engineering alternation obviously affect the cost of project.

工程变更和工程洽商对工程项目造价有着明显的影响.

The young Karl Marx , prophetically discerned the inhumane alternation involved in modern industry.

年轻的卡尔·马克思, 有预见地觉察到了现代工业所引起的非人道的变换.

These modifications include the chemical alternation of the bases.

这种修饰作用包括碱基的化学变化.

This alternation feature is commonly related to emplacement of C-shaped rolls.

蚀变的特征一般同C形的卷型矿化有关.

There is an alternation of black and white stripes in that cloth.

那匹布黑白条纹相间.

Light and shade come in swift alternation ; Days and months flash by as quickly as a weaver's shuttle.

光阴似箭,日月如梭.