In the U. S., reactors shut down for refueling typically retain most of their fuel in the thick steel reactor pressure vessel that provides much more protection against a radioactive release.

在美国，如果反应堆因补充燃料而关闭，一般来说，在厚重的钢质反应堆压力容器内仍会存有大多数燃料，因为这个容器可提供更多保护，防止辐射泄漏。

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In the U. S., reactors shut down for refueling typically retain most of their fuel in the thick steel reactor pressure vessel that provides much more protection against a radioactive release.

在美国，如果反应堆因补充燃料而关闭，一般来说，在厚重的钢质反应堆压力容器内仍会存有大多数燃料，因为这个容器可提供更多保护，防止辐射泄漏。

youdao