常見例句雙語例句This backing is uesd for CO2 one-side welding of bulb steel.本襯墊適用于各種球扁鋼對(duì)接接頭CO2氣保護(hù)單面焊用。meteln.comThe 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(duì)工字鋼、槽 鋼、球扁鋼、角鋼等其它薄壁型材的生產(chǎn)也十分適用。ip.comThe 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(tuán)公司與常熟市龍騰特種鋼有限公司合作開發(fā)生產(chǎn)B級(jí)熱軋球扁鋼的生產(chǎn)實(shí)踐。 返回 bulb steel