Heat treatment and pre-strain, tensile test of the material and four point bending test have been carried to obtain the mechanical property of the undegraded and degraded material at low temperature.
本文首先通过分析复合脆化处理
、
伸
和缺口试件
点弯曲
的结果,

较某核压力容器钢在脆化处理前后的室温和低温力学性能。
机任务中效率
12%,他们的心脏血压会降低1至
,
方指南

级英语短文


