高温气冷堆主氦风机与压水堆主泵一样，均为反应堆一回路的关键设备。
Both the primary helium circulator for high-temperature gas-cooled reactor (HTR) and the primary pump for the pressurized-water reactor are the key components in the reactor primary loop.
在力学试验研究中，采用声发射技术对已具有疲劳裂纹的核反应堆一回路模拟压力管进行加载爆破断裂的监测。
By using the acoustic emission technique to monitor the fractures on analogous pressure pipes of the primary circuit, which has had cracks and was loaded with pressure, was investigated.
核主泵是核电站核岛一回路系统的核心，对核反应堆的安全运行起着至关重要的作用。
The main pump is the core of the first loop in a nuclear power plant, and it plays a vital role on the safety of the nuclear reactor operation.
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