Research of front oil seal cover of engine for SVW and FVW.

大众发动机前油封盖过程开发。

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Seal cover over the heat exchanger airtight with butyl adhesive.

用丁基合成橡胶粘合胶将罩盖密封在热交换器上。

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Improvement for the mechanical seal cover and nationalized modification for the mechanical seal are made, and good results and benefit have been achieved.

分析了引进苯酐泵的运行情况，进行了机封压盖改进和机封国产化设计，取得了良好的效果和效益。

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Monsoor "ran out into the street with another SEAL, shot cover fire and dragged his comrade to safety while enemy bullets kicked up the concrete at their feet, " according to Navy documents.

CNN: Navy SEAL paid ultimate price to save buddies

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