Actions such as thermal degradation, mechanical breakage and the like exist in the steam explosion process.

在蒸汽爆碎过程中存在热降解和机械断裂等作用。

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The venting process triggered the explosion when combustible hydrogen released by the steam mixed with oxygen in the air, officials said.

日本官员说，正是被释放的蒸汽包含的可燃氢气在接触到大气中的氧气后，导致了那次爆炸。

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The same time, the application of steam explosion in the process of plant hydrolysis and the equipment was also described.

同时还介绍了蒸爆在植物纤维素水解和制无胶板中的应用，此外本文还对蒸爆设备作简要描述。

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Furthermore, it would take a combination of extreme events to make things dangerous in Tokyo (nuclear re-criticality, steam explosion) etc all of which are being rendered less and less likely as time passes and the heat decay process progresses.

FORBES: Fukushima Cleanup Recap