Steel making in the open-hearth furnace is a very slow process, much slower than the Bessemer one.
平炉炼钢是一个很慢的过程,比转炉炼钢慢得多。
词典释义:
平炉
Steel making in the open-hearth furnace is a very slow process, much slower than the Bessemer one.
平炉炼钢是一个很慢的过程,比转炉炼钢慢得多。
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