The switches are IP67 sealedagainst water and dust exposure.
这些开关是IP67密封防水防灰尘的。
2
However, this was in a single-skin tent which was not sealedagainst all drafts.
不过,这是在一个单一的皮肤帐篷,这是不密封,对所有的草稿。
3
No, it was the "shadowy" world of "crazy" inhabited by American's assassins, a hermetically sealed Da Vinci Code realm sealedagainst all outer influences and driven by an internal logic all its own.