基本解釋[經(jīng)濟(jì)學(xué)]冷鑄鉄詞組短語短語cold -blast pig iron 冷鑄鉄;冷風(fēng)生鉄white cold -blast pig iron 冷風(fēng)白口鉄cold-blast pig更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)冷鑄鉄