Place rescuer's mouth or CPR pocket mask over client's mouth, forming an airtight seal.

抢救者用口或CPR袖珍面罩封住病人口唇，形成一个密闭气道。

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The refrigerator should have an airtight seal and you want to get the smallest model possible.

冰箱应该让不漏气封印和您想要得到小模式可能。

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Mix all oils together and pour mixture into a storage jar made of glass with an airtight seal.

全部浇油混合在一起，混合成储藏罐不透气的密封玻璃制成。

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Instead, health workers should switch to N95 respirators that form an airtight seal around the nose and mouth.

CNN: Report on handling H1N1 cases: Use masks with airtight seals

In his wine cellar in Napareuli, six miles down the road from the Alaverdi Cathedral, Gela Gamtikulashvili crosses himself and prises the cover of a qvevri from its airtight clay seal.

BBC: Discovering wine in Georgia

The Federal Reserve Bank of New York's gold vault, for example, is located in bunkers 80 feet below its headquarters on Maiden Lane in Lower Manhattan, and is protected by an airtight and watertight seal.

WSJ: Wall Street Braces for a