The explosion was confined to one building in an area known as the 'power block,' he said.

他说，爆炸仅限于所谓的“发电区”中的一幢建筑。

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Keep it out of a confined space such as a sewer because of the possibility of an explosion.

不要将本品限制在封闭空间如下水道内，因为可能会引发爆炸。

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The explosion effects of thermobaric explosives, especially the parameters of the blast wave in a confined space, are studied both experimentally and numerically.

本文从实验和数值模拟两方面对温压炸药的爆炸特性进行了研究，重点研究了有限空间内爆炸冲击波参数。

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