Tightly sealed to prevent air leaks, the house was equipped with small double-paned windows and several other energy-saving features.

为了严格密封，防止空气泄漏，房子配备了小型双层玻璃窗户和其他几种节能的设备。

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Federal regulations passed after the Sago disaster increased the monitoring of air quality in active and sealed sections of the mines to avoid methane build up.

萨戈矿难后，联邦通过法规，加强了对作业段和密封段内空气质量的监测，以避免甲烷聚集。

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The third containment is a hermetically (air tight) sealed, very thick bubble of the strongest steel and concrete.

第三个容器是严格密封的，用很厚的钢铁和混凝土打造的气泡状容器。

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It's a world away from carefully planned Asian cities like Singapore -- which makes it perfectly suited for visitors who don't need their lives hermetically sealed in air-conditioned shininess.

CNN: Make the most of Manila's chaotic charm

To no avail: The house is now sealed and air-conditioned, deprived of its direct connection to the sea, the gardens and the Florida air.

WSJ: An American Renaissance Gem

The density of helium is one-seventh that of air, delivering significant advantages to HGST's sealed-drive platform.

ENGADGET: HGST develops helium-filled, high-capacity hard drives: no, they won't float away