近日，官方宣布BP在墨西哥湾沿岸的马孔多油田“死亡”，或已被水泥封闭。

BP's Macondo oil well off the gulf coast was officially declared to be "dead", or sealed by cement.

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可以在船壳板、舱壁、甲板、墙壁等上开临时出入孔以便施工，应通过焊接对其进行适当的封闭并对其进行检验。

Temporary access openings may be provided on shells, bulkheads, decks, walls, etc. for convenience of works and to be closed in place by welding and inspected.

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首先最重要的一点：如果煤气管道内着火，应立即封闭所有入孔、放散管、采封管，并向管道内通大量蒸汽灭火。

First of all the most important point: if the gas pipeline inner fire, immediately closed all into the hole, radiation tube and sealing pipe, and in general to pipe of steam to extinguish fire.

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