保持安全工作压力。
As the basic safe wall of nuclear reactor, the reactor pressure vessel not only bears high temperature and high pressure, but also contains radioactive working substance.
反应堆压力容器作为反应堆的基本安全屏障，承受高温、高压且内部包含具有放射性的工作介质。
The maximum working pressure is an important parameter for safe working of flange.
法兰压板的最大工作压力是其安全正常工作的重要技术参数。
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