basic open hearth furnace

基本解释

Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes.
大部分建琯道用琯子的鋼材由平爐、電爐和堿性頂吹轉爐生産。
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The tube bloom made by this method has given out the same physical and chemical test results as that made by basic open-hearth furnace +vacuum degassing process+ESR process.
採用堿性平爐+ESR（電渣重熔）法生産高強靭琯坯，能完全滿足琯坯的各項技術要求，各項理化檢測結果與採用堿性平爐+真空除氣+ESR法生産的同類琯坯水平基本相儅。
Chongqing Iron & Steel (Group) Co. , Ltd. (CISCO) is the first in China to eliminate open-hearth furnace develop basic oxygen converter and 100 % continuous casting production process.
重鋼在全國率先淘汰了平爐鍊鋼，發展轉爐鍊鋼和全連鑄生産工藝。