According to smelting condition of Baotou iron and steel group, VD refining process should be adopted to reduce the hydrogen content in the heavy rail steel.
根据包钢重轨钢的冶炼条件，采用VD真空处理降低钢液中氢含量是完全必要的。
Rail concentrates covered processing and sintering, iron ore processing.
铁精矿石粉加工、结、矿石加工。
Network rail came up with plans last month to iron out the notoriously dysfunctional Northern Hub railway nexus which messes up Manchester's east-west regional connections.
上个月路网公司提出多项计划，希望借此解决“北部枢纽”铁路众所周知的运作问题，这样就可以改善曼彻斯特与东西部地区的联系。
Tan Qing Rui right away gets off and see 120 many year old, the tears cover the face feme clime to Xiang river male iron big bridge south side rail, precarious.
谭庆瑞当即下车，看到一名20多岁、泪流满面的女子攀上湘江公铁大桥南侧栏杆，岌岌可危。
We have our own Indian corporations - Guangdong Yuhua Indian Rail (Huoshan) Limited The company, its full introduction Germany Mailande Indian iron coating equipment.
我们有自己的印铁公司——广东裕华印铁(霍山)有限公司，公司全套引进德国麦兰德印铁涂布设备。
We have our own Indian corporations - Guangdong Yuhua Indian Rail (Huoshan) Limited The company, its full introduction Germany Mailande Indian iron coating equipment.
我们有自己的印铁公司——广东裕华印铁(霍山)有限公司，公司全套引进德国麦兰德印铁涂布设备。
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