So  how do you take those three high voltage phases and cram them into a single, small pipe running  underground?

那么，如何将这三个高压相塞入地下运行的单个小管道中呢？

CEO Semler says the focus is now on developing turbines that could be placed in smaller drinking water pipes found closer to homes.

首席执行官塞姆勒说，现在的重点是开发可以放置在离家较近的较小饮用水管道中的涡轮机。

A smog inspection – more commonly called here a " smog check" (check) – is usually done by putting up a small pipe that measures pollution into the back of your car, into what's called a " tail (tail) pipe." A tailpipe is also called an exhaust pipe.

烟雾检查——这里更常被称为“烟雾检查”（检查）——通常是通过在你的汽车后部安装一个测量污染的小管子，进入所谓的“尾（尾）管”来完成的。排气管也称为排气管。