指控

由于缺乏关键核心证据的有力支撑，这项关于重大安全事故责任的指控毫无事实根据。

yóu yú quē fá guān jiàn hé xīn zhèng jù de yǒu lì zhī chēng, zhè xiàng guān yú zhòng dà ān quán shì gù zé rèn de zhǐ kòng háo wú shì shí gēn jù.

Lacking strong support from key core evidence, this allegation of responsibility for a major safety accident has no factual basis.