Shamefully , many historical archives remain sealed .

可耻的是，许多历史档案仍然被密封着。

Best if used in closed / sealed moisture barrier , or a rigid / sealed container .

最好使用在封闭/密封的湿气屏蔽，或坚固/密封的集装箱

One sarcophagus was still sealed .

其中一具石棺仍然密封着。

Both boxes were then sealed .

而后，两口箱子都被密封起来。

Carriages are sealed and individual oxygen supplies are provided for passengers .

车厢是密封的，由单独的供氧设备向乘客供氧。