This bellows actually has two gasoline tanks each of which is equally divided.

这个风箱实际上有两个油箱，每个油箱均等分。

As this slowly advances, it passes under a bridge containing a gasoline tank, which is quickly adjusted.

随着它缓慢前进， 它经过一座装有汽油箱的桥下， 该汽油箱已被快速调整。

Then a workman seats himself on the gasoline tank, which contains a small quantity of its indispensable fuel, starts the engine, and the thing moves out the door under its own power.

然后一个工人坐在装有少量不可或缺的燃料的油箱上，启动发动机，那东西就靠自己的力量移出了门。