The main features: plus pressure explosion-protection, free maintenance, high efficiency and high reliability.

主要特点：正压防爆，免维护，高效率和高可靠性。

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The hydrostatic pressure explosion test on vessel indicates tha both base metal and weld metal have good comprehensive mechanical properties.

容器的液压爆破试验证明，母材和焊接接头具有良好的综合力学性能。

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Pressure mounted Monday to launch a search for 29 men trapped in a New Zealand coal mine for three days since a gas explosion, but the mine remained too dangerous to enter.

到周一为止，自新西兰煤矿毒气爆炸已经过去三天，关于营救被困29名矿工的舆论压力不断增加，但由于矿井内毒气太重而无法施救。

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The researchers say their findings support the idea that a huge explosion or explosions caused fire and pressure powerful enough to kill off life on the Earth.

VOA: special.2009.01.20

The highest number was 679 millisieverts, for a worker who helped to prepare venting as rising pressure threatened an explosion.

WSJ: In Japan, Relief at Radiation's Low Toll

About 39 minutes before the explosion, pressure was building in the well.

WSJ: BP Tries to Shift Blame for Spill to Transocean

At 8:20 p.m. on the day of the explosion the pressure data suggest there was a constant flow of sea water being pumped into the drill pipe that was displacing the heavier mud system which was the primary pressure control for the well.

WSJ: The Oil Disaster Is About Human, Not System, Failure