Precise impedance analyzer HP4294A has been used for experiment research on beams, slabs and 3 floors of steel frames.
利用精密阻抗分析仪hp4294 A对梁、板和三层钢框架进行了实验研究。
The present paper systematically checks and examines as well as analyzes causes to the cold-bended crack in the hot rolled steel plate Q345 by microscope, X-ray and Electron Probe Micro-analyzer.
利用金相显微镜、X射线衍射仪及电子探针等对Q 345热轧钢板因冷弯产生的裂纹进行了系统检验分析。
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