我们先构造一个，由两个热机组成的热机，并排排列。

So, what I want to do is make a new engine which really just consists of two engines, side by side.

youdao

我们先构造一个，由两个热机组成的热机，并排排列。

So, what I want to do is make a new engine which really just consists of two engines, side by side.

youdao