上报

发生特大突发安全事故后，相关责任单位必须在规定的一小时时限内依法如实上报上级主管部门。

fā shēng tè dà tū fā ān quán shì gù hòu, xiāng guān zé rèn dān wèi bì xū zài guī dìng de yī xiǎo shí shí xiàn nèi yī fǎ rú shí shàng bào shàng jí zhǔ guǎn bù mén.

After a major safety accident occurs, the relevant responsible unit must truthfully report to the superior authority within the prescribed one-hour time limit in accordance with the law.