短语词组短语steel tube bloom 管坯钢grade steel cc bloom 钢φ180连铸坯grade 20 steel cc bloom 钢φ连铸坯continuous casting steel bloom 连铸大方坯steel 20 tube bloom 管坯钢Wild steel bloom 野钢花steel bloom for tube -making 管坯钢Bloom Steel 初轧钢 返回 steel bloom