基本解释金相显微镜英汉例句双语例句Cross section of the coatings was observed by metallurgical microscopy. Hardness of the coatings was tested by micro-hardness tester.采用光学金相显微镜观察涂层断面的形貌，通过显微硬度计测试涂层的显微硬度。rjggy.net专业释义材料科学显微金相学机械工程金相显微镜