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我厂冶锻铆车间技工,创造用锉板锉平弧形工件边缘的方法,提高效率很多。这种工件过去是手工分段锉,改用锉板法后,把
I plant forging riveting workshop mechanic, file filing to create a flat arc edge of the workpiece method to improve efficiency. In the past, this kind of work piece was subdivided by hand and then turned into a rasp plate method