Macro and micro structure of the fractured steering knuckle arm was examined by optical microscope and scanning electron microscope.
采用光学显微镜和扫描电镜对断裂转向节臂的宏、微观组织进行了分析。
Modification mechanism and existing form of Sb and Mg in Al-Si alloy were studied by using optical microscope and scanning electron microscope.
采用金相和扫描电镜分析研究了锑、镁在铝硅合金中的存在形式和变质机制。
The reasons for cracking of a cracker heater shell had been revealed with the aid of optical microscope and scanning electron microscope et al.
采用光学显微镜和扫描电镜等试验手段分析了某裂解器加热器壳体出现开裂的原因。
应用推荐