史上第二严重的核事故发生在前苏联克什特姆省的马雅克核燃料处理厂。

History's second-most damaging nuclear accident occurred in 1957 at Russia's Mayak plant in the Kyshtym province.

youdao

史上第二严重的核事故发生在前苏联克什特姆省的马雅克核燃料处理厂。

History's second-most damaging nuclear accident occurred in 1957 at Russia's Mayak plant in the Kyshtym province.

youdao