What do you think a printed circuit board is?

你们认为什么是印刷电路板？

That's what a printed circuit board is.

这就是印刷电路板。

" Why don't we build and sell printed circuit boards to them? "

“我们为什么不做好印刷电路板然后卖给他们呢？”

We then add to it an insulating printed circuit board.

然后我们加入一个绝缘的印刷电路板。

Well that all has to do with electrical components and circuitry that are tethered to a printed circuit board.

这些都和电子组件，以及围绕在一个印刷电路板周围的电子线路有关。

Scrap dealers recover copper, aluminum, steel, glass, plastic and printed circuit boards.

废料经销商回收铜、铝、钢、玻璃、塑料和印刷电路板。

For this, engineers had another innovation: printed circuit boards, or PCBs.

为此，工程师们进行了另一项创新：印刷电路板或 PCB。

Eh, I sold my Volkswagen bus and Steve sold his calculator, we got enough money to pay a friend of us to make the art work to make a printed circuit board.

我卖了我的大众巴士玩具车，Steve卖了他的计算器，我们凑够了钱，就拿去请朋友设计印刷电路板。

A different sort of pay dirt, however, offers the prospect of a much greater return for urban miners: the printed circuit boards (PCBs) found in rapidly growing mountains of electronic waste.

然而，另一种财富却为城市矿工带来了更大回报：在迅速增长的电子垃圾山中找到的印刷电路板（PCB）。