Analysis is made on the dark lines defects occurring over the working surface of flange by measurement with the optical microscope, Scanning electro microscope (SEM) and electronic probe.
针对法兰盘加工面上出现的黑纹缺陷，采用光学显微镜、扫描电镜和电子探针等测试方法对其进行了分析。
Upon scanning electro microscope analysis, the different conformation of anaerobic biological and aerobic biological were observed.
经过电镜扫描，观察了在厌氧、好氧条件下固定化的微生物的形态。
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