basic open hearth furnace

基本解釋

Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes.
大部分建管道用管子的鋼材由平爐、電爐和堿性頂吹轉(zhuǎn)爐生產(chǎn)。
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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.
采用堿性平爐+ESR（電渣重熔）法生產(chǎn)高強(qiáng)韌管坯，能完全滿足管坯的各項(xiàng)技術(shù)要求，各項(xiàng)理化檢測結(jié)果與采用堿性平爐+真空除氣+ESR法生產(chǎn)的同類管坯水平基本相當(dāng)。
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煉鋼，發(fā)展轉(zhuǎn)爐煉鋼和全連鑄生產(chǎn)工藝。