primary containment

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。

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。

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。

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

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。

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。

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。