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试题 1.焊接方法包括下列哪几种? A.熔焊 B.压焊 C.钎焊 D.粘接 2.不同厚度工件的对接接头,削薄处理的目的是什么?
Questions 1. Welding methods which include the following? A. Welding B. Pressure welding C. Brazing D. Adhesive 2. Butt joints of different thickness of the workpiece, the purpose of thinning treatment is what?