The special phenomena of less or even no hydrogen flake occurrence in the hot saw rail specimens from China plateau steel plants, because there is low hydrogen content in molten steel, are discussed.

对我国攀钢和包钢两个高原钢厂生产重轨由于钢水中的含氢量很低、在热锯轨头中白点发生率极低，甚至不出白点的现象进行了分析，讨论。

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This paper introduces the change of microstructure and properties of the rolled rail steel of CC bloom in hot charging.

文章主要介绍了采用钢轨钢连铸坯热送热装工艺生产钢轨组织的变化和所能达到的各项性能指标。

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The space is left to let the rail expand when it gets hot.

缝隙是留给铁轨发热膨胀用的。

youdao

The high speed rail debate continues to hot up this week.

BBC: Is HS2 steaming ahead or in danger of going off track?

Except that, whatever he says for public consumption, he seems to know the truth is that privacy invasion, for most consumers, is less like a lethal electrified rail than like a very hot bath: they just need to be eased into it.

FORBES: Facebook vs. Yahoo: It Pays to Push the Privacy Envelope

It is a form of third rail in national politics and too hot for anyone to handle.

FORBES: Perry and the Seven Dwarfs