equi-area method of reinforcement meaning in Chinese

等面积补强法

It shall be carefully considered when the equi - area method of reinforcement is used for large opening , external pipe loads , close to non - continuous area or fatigue loads
这对推动压力容器行业的技术进步、提高本企业的技术水平，将会起到积极的作用。
That is , when a large opening exists on the cylindrical shell , high local stresses will present in the opening nozzles . so it is not safe to design by equi - area method of reinforcement
工程结构中常常要用到各种大开孔的结构，超出了常规设计的经验公式的适用范围，只能依靠实验研究，进行对比分析设计，这样会导致成本提高和设计周期延长。