密闭 鼓风炉 的熔炼过程极其复杂,工艺结构庞大.Imperial Smelting Furnace ( ISF ) smelting process is a quite complex process.铅团在鼓风炉中被溶解.The lead paste is smelted in a blast furnace.焦炭最初是在鼓风炉里作为助燃剂使用.Coke is used predominantly as a fuel relucta...
许多男孩子在7月4日那天放爆竹.Many boys explode firecrackers on the Fourth of July.桌上每个位置旁都有彩包爆竹.There was a cracker beside every place at the table.爆竹没响.The firecracker didn't go off....