破前漏(简称lbb)是压力容器、核电站设备结构设计与评价中的一个重要准则。

Leak before break (LBB) is an important concept for assessing pressure vessels and nuclear equipment.

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为了提高破前漏分析中泄漏率的计算模型的准确度，针对气体的泄漏率问题开展了实验研究和理论研究。

Gas leakage was studied experimentally and theoretically to improve the precision of the analytical model of the leakage rate for the leak-before-break technique.

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