Windows that open send rail buffs into delirium on the odd occasion when a steam locomotive takes the lead position.

当车透过打开的车窗，看到一辆古怪的蒸汽机车时，一定会让火车迷们兴奋的发狂。

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A valve that was supposed to be open, to allow the heat and steam to escape, was closed.

一个本应打开的阀门被关上了，这个阀门控制着热量和蒸汽的泻出。

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Open and shut-down is operated by the density variation bet ween condensation water and steam, Condesation water can drive valve directly, featuring precision and reliability.

倒置桶疏水阀的开启和关闭是根据凝结水和蒸汽的密度差来动作的，凝结水可直接驱动疏水阀启闭，其动作准确，可靠性高。

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Mr Ralls said he also hoped to open up Bridgnorth's steam works, where volunteer staff repaired historic steam engines, for other heritage lines across the country.

BBC: Bridgnorth station

We still don't know what happened in the 700MHz auction, but Verizon's going full steam ahead with its open-network policy, holding a press conference today to detail the "Any Apps, Any Device" plan announced back in November.

ENGADGET: Verizon opens up about "Any Apps, Any Device" Mobile

Bigger operators don't have the luxury of halting production: Many of the newer oil sands projects are not the typical open strip mines, rather they inject steam into the ground to slowly melt the bitumen out of the sands.

FORBES: Total Kicks Up A Sands Storm