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。

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The two women leaned upon the wrought-iron window rail in the shadow of the curtains.

两个女人在窗帘的遮掩下，把胳膊肘支在铁栏杆上。

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Rail concentrates covered processing and sintering, iron ore processing.

铁精矿石粉加工、结、矿石加工。

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For a lighter option, the brewery's Iron Rail IPA has a nice balance of hops and fruit flavours.

BBC: Gateway to the Blue Ridge Mountains

Before Taylor went to Bethlehem, a team of seventy-five men loaded ninety-two-pound pigs of iron onto rail cars at a rate of twelve and a half tons per man per day.

NEWYORKER: Not So Fast

The RMT rail union has called for "cast iron" assurances from the government that the decision will not hit jobs at the UK's only train manufacturer, Bombardier.

BBC: ?1bn plan to electrify rail line