The center was testing its emergency operations system at the time.
事发时该核电站正在测试其应急操作系统。
单词 | emergency operation system |
例句 |
原声例句
VOA Special 2021年4月合集 The center was testing its emergency operations system at the time. 事发时该核电站正在测试其应急操作系统。 |
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