open-hearth furnace

常見例句

Steel making in the open-hearth furnace is a very slow process, much slower than the Bessemer one.
平爐煉鋼是一個很慢的過程，比轉(zhuǎn)爐煉鋼慢得多。
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)。
www.infopetro.com.cn
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)高強韌管坯，能完全滿足管坯的各項技術(shù)要求，各項理化檢測結(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)。