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Every hall of the building is supplied with hermetic doors .

大楼的每个大厅都安有密封门。

Perfectly hermetic and adequately tested before the burner is general inspection .

在燃烧器总体检查前，管道必须进行完全充分的密封试验。

Radiation tolerant 3c91c type metal can hermetic optocoupler .

耐辐射型金属3c91c可以封闭光耦合器。

The last few months have been something of a challenge for apple , known for maintaining a kind of hermetic seal around itself and its products .

苹果一直把自己和自己的产品都密闭起来，而这前几个月给苹果带来了一些挑战。

It was one thing to back a hermetic but stable regime under kim jong-il ; it will be harder to underwrite an untested leadership .

支持金正日领导下封闭但稳定的政权是一回事情，但要担保一个未经考验的领导层却更为艰难。