The key technique for development of USC units is to develop a new type of steel material with high thermal strength, resistance to high temperature corrosion and oxidation at steam side.

开发USC机组的关键 ，在于开发热 强度 高、耐 高温腐蚀、耐汽侧氧化、技术上可行、经济上合理的新型 钢材。

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Thomas is -strictly speaking -a "side tank engine" -a steam locomotive that has tanks arranged on either side of the boiler.

严格地讲，这个叫做托马斯的火车头是一个两边都装有水和燃料罐的蒸汽火车。

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Then you have a low steam generator water level which means that you probably have a leak somewhere and the question is, is it on the primary side or on the secondary side?

然后你们会得到低的蒸汽发生器的水位，那表示可能在某个地方出现了泄漏，而问题就是，那是在主面还是在次级面？

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Priskin had the ball in the net with a spectacular overhead volley but he was offside and the Hungarian striker missed with a long-range strike as Ipswich worked up a head of steam against a sluggish Arsenal side.

BBC: Ipswich 1-0 Arsenal

And his youthful optimism means he does not see his side running out of steam just yet.

BBC: Burgess looks to build on success

But Owen Coyle's side ran out of steam after Dawson equalised so early in the second half.

BBC: Tottenham 4-1 Burnley