The basic principle, usage of air blowing based level detection, and the structure and application of UCA (h) type nuclear safety class air blowing device are described briefly.

简述吹气法检测液位的基本原理、用途以及UCA (H)系列核安全级吹气装置的结构和应用。

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The class 1 equipment is very important in the nuclear device, in the design and testing process required to carry out their stress and strain analysis, so as to ensure their safety.

一级设备在核设备中非常重要，在该设备的设计和调试的过程中需要对其进行应力与应变分析，从而确保其安全性。

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Special build available for nuclear power plant safety related valve applications class 1e, in standard IEEE323.

特别建立供核电厂安全相关1e级阀门的应用，在标准IEEE323。

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As part of my job, I reported alarming inadequacies: in one case high-grade equipment (ASME III, class 1) was operated in nuclear power reactors with no accepted safety file, regardless of a previous accident and a half-dozen failures in achieving acceptable design results.

BBC: Can nuclear power ever be safe?