In 1952 in the Austrian towns of Linz and Donawitz, a steelmaking process was established.

1952年在奥地利的林茨和德那维茨两地诞生了一种炼钢方法。

youdao

In 1952 in the Austrian towns of Linz and Donawitz, a steelmaking process was established.

1952年在奥地利的林茨和德那维茨两地诞生了一种炼钢方法。

youdao