The switch is the control device of an electric circuit.

An experimental model , especially of an electric circuit ; a prototype.

公司在展览会上展示了这种新模型的 原型.

The electric circuit consists of a battery, a switch, a conductor and a lamp.

这个电路由电池 、 开关 、 导线和灯组成.

Secondly, a complete set of diagrams of electric circuit , fuel circuit, compressed air circuit.

其次, 成套的电路图 、 油路图和压缩空气管路图.

Listen to the tape then answer this question. What colour electric cooker?

听渌音,然后回答问题. 电灶是什么颜色的?

There is an electric cooker in the kichen.

厨房里有一只电炉.

For example, we can learn how an electric cooker was invented.

例如, 我们能够了解电炊具是怎样发明出来的.

There is an electric cooker in the kitchen.

厨房里有个电灶.

I have a new electric cooker in the kitchen.

我在厨房新添了个电炉.

I want to buy a wooden ladle which will not scratch an electric cooker.

我想买个木制的饭勺,盛饭时不会划伤电饭锅.

The flat is equipped with an electric cooker.

此公寓装有电炊灶.

What colour is the electric cooker?

电灶是什么颜色的?

It is suitable for microware oven, cooker, electric cooker and infrared cooker.

微波炉 、 煤气炉 、 电炉、红外线炉均适用!

Good heat preservation is a feature of the electric cooker of this Brand.

保暖性强是本品牌电饭锅的特点.

The electric current varies directly with the voltage.

电流与电压成正比.

The signal consists of surges of electrons or electric current.

该信号是由电涌即电流所组成.

They measured the strength of an electric current / the end of a car.

他们测量了电流的强度(一辆汽车的速度).

The question was how could electric current make words?

问题是,电流怎样才能变成言词?

They measured the strength of an electric current.

他们测量了电流的强度.

The electric current has been shut off.

电流已被切断.

An electric current, overcoming the resitance of the wires, invariably heats them.

电流克服了导线的阻力总要使导线发热.