bulb steel

基本解釋

This backing is uesd for CO2 one-side welding of bulb steel.
本襯墊適用于各種球扁鋼對接接頭CO2氣保護單面焊用。
meteln.com
The method of the invention is also suitable for the production of other thin-wall sections such as I-beam, U-beam, flat bulb steel, angle steel, etc.
本發(fā)明方法對工字鋼、槽鋼、球扁鋼、角鋼等其它薄壁型材的生產也十分適用。
ip.com
The paper introduces the production and practice of grade B hot rolled bulb steel, developed and produced jointly by Tianjin Tiantie Metallurgical Group Co.
介紹了天鐵冶金集團公司與常熟市龍騰特種鋼有限公司合作開發(fā)生產B級熱軋球扁鋼的生產實踐。