Trading company and camphane head (KANTO) the price of silicon manganese contract of the 3rd quarter between rolling mill of area electric power already stayed in 7000..是什么意思_Trading company and camphane head (KANTO) the price of silicon manganese contract of the 3rd quarter between rolling mill of area electric power already stayed in 7000..在线翻译_英语_读音_用法_例句