The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward, thereby increasing the speed of the engine and cutting its fuel consumption.

最后一步是将蒸汽引入气缸，使得活塞前后推动，从而提高了发动机的速度，降低了燃料消耗。

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This portable machine applicable to small and medium-sized steam aerated block factory of gas cutting blocks.

本移动式切割机适用于中小型蒸养加气块在厂的加气块切割。

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The applications of new tool material to the cutting of difficult-to-process material of steam turbine at home and at aboard were presented.

简要介绍了国内外新型刀具材料及其在汽轮机难加工材料切削中的应用。

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Flemish enthusiasts at Steam Center Maldegem, a heritage center in northern Belgium, recently spent a cold day cutting spare boiler screws for their stable, which includes a Polish-built steam engine, the "General Maczek, " named for the Polish general who helped liberate Belgium in World War II.

WSJ: Belgian Train Museum Had a Hard Time Getting on Track

Today tourist steam trains still use the line, but in the late 19th century cutting-edge technology operated on this line.

BBC: Giant's Causeway's long history of attracting tourists

Electronic gift certificates from online vendors such as Steam, GamersGate and GOG.com also make unique stocking stuffers, letting fans sample cutting-edge indie releases, revisit treasured classics or browse obscure European imports.

CNN: Holiday gift guide: Video games