9号高炉（2）

No. 9 Blast Furnace

The period in which man learnt to make tools of iron is called the lron Age.人类学会制造铁器的时期称为铁器时代。

Before liberation there was no was no heavy industry in China by and large.大体上说，解放前中国没有重工业。

It did not have any modern industry and even could not make an iron nail.

当时的西藏没有任何现代工业，连一根铁钉也不能制造。

It began about the middle of the 19th century,

第三时期开始于19世纪中叶左右，

when the blast furnace came into use .

那时开始采用高炉炼铁。

Using coke to produce carbon monoxide,

用焦炭产生一氧化碳，

Reduce iron ore with carbon monoxide.

用一氧化碳还原铁矿石。

In a modern steel mill, the above reactions take place in a blast furnace.

在现代化钢铁厂中，上述反应是在高炉中进行的。

What do fluxes do in blast furnace smelting?

熔剂在高炉中起什么作用?

Reduce the temperature required for the smelting process.

降低冶炼过程所需要的温度。

A blast furnace is really a complicated structure!

高炉真是一个复杂的建筑!

The surrounding area of Masteel has 1 billion tons of recoverable iron ore reserves.马钢周边地区拥有可开采铁矿储量为10亿吨。

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The more you beat iron the harder it grows.

铁不炼不成钢，玉不琢不成器。

Strike while the iron's hot.

趁热打铁，趁机行事。

To have a will of steel

志坚如钢

He has an iron will.

他有钢铁般的意志。

Strike while the iron is hot is a maxim.

趁热打铁是一句格言。