A similar cooling system breakdown preceded the explosions at reactors 1 and 3.

类似的冷却系统在核反应堆1和3爆炸之前就已经瘫痪。

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When drilling in deepwater, once the Subsea BOP system breakdown, the BOP and riser must be pulled to the surface and cause great economic loss.

在深水钻井作业中，一旦水下防喷系统发生故障，就必须将防喷器组和隔水管起出水面进行维修，将造成上百万元的损失；

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The results show that the main abnormal events include reactor control and protection system breakdown., reactor coolant system breakdown and others breakdown.

结果表明，异常事件主要为反应堆控制和保护系统故障、反应堆冷却系统故障及其它故障。

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But Biden also had to soothe concerns that scrapping Bush-era plans for a more comprehensive system does not signal a breakdown of Polish-U.S.relations.

VOA: standard.2009.10.21

We'd gone through almost a decade in which job growth had been sluggish, incomes had declined, costs were going up -- all culminating in the financial system coming close to a breakdown.

WHITEHOUSE: President Obama Speaks at the National Urban League Convention | The White House

Now, the reason why I raise this, even though Mr. Jordan will be confirmed, is that it is so indicative of a breakdown in the system when a nominee as highly qualified as he is, with bipartisan support as he has, who's reported out of committee unanimously, still faces filibusters.

WHITEHOUSE: Press Briefing

Now, while a number of factors led to such a severe recession, the primary cause was a breakdown in our financial system.

WHITEHOUSE: Signing the Wall Street Reform and Consumer Protection Act