primary containment

it seems likely that this unit, unlike the other two, may have suffered significant damage to its primary containment.

这个单元不像其他两个单元，它的主安全壳或许已经遭到了严重的破坏。

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The reactor vessel is surrounded by a thick steel-and-concrete primary containment vessel, equipped with a water reservoir designed to suppress overheating of the vessel.

反应堆由一个钢与混凝土构成的厚实外壳（第一层安全壳）保护着，另外还配有一个蓄水库，防止反应堆过热。

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The primary component of the containment is again, old energy fear.

最主要的原因也还是那旧有的恐惧能量。

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Primary containment vessels in units 1 and 3 are reportedly intact, but a structure in unit 2 has cracked, preventing water from fully covering the core.

报道中称1号和3号的反应堆外壳是完好的，但是2号反应堆中的某个构架被炸坏了，致使水无法完全淹没核心。

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this primary containment vessel looks like an old-fashioned light bulb turned upside down and balanced on top of a doughnut.

这个主安全壳像一个被倒置的老式灯泡，在一个环状体的顶部保持平衡。

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primary containment is the first line of defense when working with infectious organisms

当工作中与传染性生物体接触时，第一道隔离是第一道防卫

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with the primary containment vessel of unit one still too full of steam, the radical decision was made to flood it with seawater.

当1号单元的主安全壳内充满了蒸汽，激进的措施是用海水进行灌注。

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