This enormous hunk of steel will soon be at the centre of a gas turbine big enough to meet the electricity needs of a small city.

这个巨大钢件在不久之后将被置于一个大型燃汽涡轮机的中心，该涡轮机发电量足可以满足一个小城市的需要。

GE will provide four gas turbine modules per vessel.

通用海事公司将为每艘舰艇提供四种燃气轮机模块。

This gas turbine is only about 30 per cent efficient.

这种燃汽轮机的效率只有30%左右。

Moving or stationary, a gas turbine works the same way.

无论是在移动的还是固定的设备中，汽轮机的工作原理都是相同的。

In cruise, the gas turbine powers the fans and recharges the batteries.

在巡航时，燃气轮机为风扇供电并为电池充电。