metallography的例句（metallography在句子中的用法）

• The metallography samples fabricated by the vacuum pressure impregnation resin method are introduced in detail. 详细介绍了真空浸渍树脂法制备金相样品的制备过程.
• The causes of the wearable zone dropout were analyzed by the metallography analysis and SEM. 采用金相分析和扫描电镜分析方法,分析了钻杆接头喷焊耐磨带脱落原因.
• The strain of the proeutectoid ferrite in hypoeutectoid steel drawing measured and analyzed by quantitative metallography. 采用定量金相法分析计算了亚共析钢拉拔变形中先共析铁素体应变量.