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在线切割机加工电镜观察样片时。由于所用试件的品种复杂。每组单件几个,并且这些试件所用材料也较贵,为了不浪费材料,一
On-line cutting machine processing electron microscopy sample. Due to the complexity of the specimen used. Each group of a few pieces, and these specimens are also more expensive materials, in order not to waste material, one