Engineers have also vented steam from the plants to release a build-up of pressure.

工程师们还排放了核电站产生的蒸汽，以释放积聚的压力。

youdao

That approach might make it harder to release steam from the reactors as part of the "feed-and-bleed" process that was being used to cool them, but that was a risk worth taking, he said.

他说，这种方法作为“灌入-排放”的冷却过程的一环，也许会让反应堆更难排放蒸汽，但这值得冒险。

youdao

If there are no steam vents at the earth's surface to release the pressure of the powerful force that lies beneath, its only outlet comes in the form of an eruption.

如果没有释放地表下强大压力的蒸汽出口那么唯一的出口就是爆发。同理在我们的心灵中阴暗的冲动和驱使会越拉越大。

youdao

In February 2009, pressure levels spiked inside Reactor 1, forcing the release of steam through an emergency valve.

WSJ: Japan Plant Had Troubled History

There is no danger to the public, but the release of steam in the process created "a loud noise heard by nearby residents, " the company said.

CNN: Pump triggers Three Mile Island reactor shutdown, NRC says

There was a small release of radioactive steam at Three Mile Island in 1979, and there have also been a few releases at Fukushima Daiichi.

WSJ: William Tucker: Japan Does Not Face Another Chernobyl