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本着自力更生精神,参照601型大型工件金相显微镜,用国产显微镜目镜和物镜自制一台简易携带式金相显微镜,如图所示。主要是将601型垂
In the spirit of self-reliance, with reference to 601 large-scale workpiece metallographic microscope, made with a domestic microscope eyepiece and objective lens made of a simple portable metallurgical microscope, as shown. The main type is 601 hanging