核材料自身还完好无缺，但是它们周围的锆锡合金已经熔化。

The nuclear material itself was still intact, but the surrounding Zircaloy shell had started failing.

youdao

核材料自身还完好无缺，但是它们周围的锆锡合金已经熔化。

The nuclear material itself was still intact, but the surrounding Zircaloy shell had started failing.

youdao