短語(yǔ)詞組短語(yǔ)oxygen thermal lance 氧弧熔斷棒oxygen burning lance 氧燃噴槍top oxygen oil lance 爐頂氧油槍oxygen coal lance 氧煤槍oxygen powder lance 氧氣噴粉管coal oxygen injection lance 煤氧噴槍cyclone oxygen -lance 旋流氧槍oxygen oil lance 氧油槍oxygen - lance 煤氣 返回 oxygen lance