基本解释[商业]底流式钢包英汉例句双语例句High chromium cast iron melt was modified by instant modification and pour-over modification from the bottom of the ladle.对高铬铸铁铁液分别用包底冲入法和瞬时变质处理两种方法进行变质处理。bottom-pour ladle更多例句专业释义商业底流式钢包