At Fukushima it has been necessary to release gases because the containment pressure became too high.

但在福岛则不同，释放气体是必须的以避免防泄漏系统内部压力过高。

youdao

At Fukushima it has been necessary to release gases because the containment pressure became too high.

但在福岛则不同，释放气体是必须的以避免防泄漏系统内部压力过高。

youdao