基本解釋[經(jīng)濟(jì)學(xué)]氮化硼纖維詞組短語短語boron n nitride fibre 氮化硼纖維boron nitride fibre reinforcemet 氮化硼纖維強(qiáng)化體boron nitride fibre更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)氮化硼纖維