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