基本解釋[經(jīng)濟(jì)學(xué)]對(duì)頭鉚接詞組短語短語single rivet butt joint 單行鉚對(duì)接butt rivet joint更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)對(duì)頭鉚接