在安全壳内，放射性蒸汽将会持续形成气泡并上升到水面顶部，但是放压工作却更困难了，因为系统在正常方式下的放压操作现在却要在水下进行。
Radioactive steam will still bubble up to the top of the water in the containment vessel, but will be harder to vent as the systems for doing so in an orderly manner are now underwater.
整体式全封闭结构，确保在各种潮湿(可在水下1.5米处正常工作)、粉尘及腐蚀性环境中工作。
This product is fully closed structure and can work in every moist (it still can normal working under water 1.5 meter), dust and corrosiveness environment.
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