The exterior materiality is composed of a black and opaque micro-undulated steel sheet that enables the house to be hidden within the forest and grants it a more hermetic and industrial look.
住宅外立面由黑色不透明的波浪形钢板组成，使隐藏在森林里的房子看起来更封闭。
An electronic hygrometer can be used to directly measure the relative humidity over the solution placed in hermetic room without direct measurement of its activity.
电子湿度计可以直接测量溶液上部密闭空间的相对湿度，而不能直接测量溶液的活度。
Hermetic performance should be assured and leaking phenomena should not appear, especially for flammable and explosive gas medium, as well as poisonous and deleterious mediums.
保证密封性，不应有泄漏现象出现，尤其是易燃易爆气体介质和有毒有害介质。
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