短語(yǔ)詞組短語(yǔ)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 iron 冷風(fēng)高爐生鉄;冷風(fēng)生鉄white cold blast pig iron 冷風(fēng)白口鉄 返回 cold blast pig