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。
2
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。
3
The explosion effects of thermobaric explosives, especially the parameters of the blast wave in a confined space, are studied both experimentally and numerically.