这是19世纪中叶蒸汽动力船舶代替小艇以及20世纪初燃油引擎出租车取代马车的速度。

That was the case when steam ships replaced clippers in the mid-19th century, and when petrol-engined taxis took over from horse-drawn cabs in the early 20th century.

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世界上最大的船舶柴油引擎一年一般运行约280天会产生约5200吨的硫。

The world's largest ships' diesel engines which typically operate for about 280 days a year generate roughly 5, 200 tonnes of SOx.

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在商业船舶业市场获得成功的基础上，该公司还可以为世界领先的船用引擎营造商提供性能加强的合金。

Building on the success achieved in the commercial Marine market the company was able to offer the utility of their performance enhanced alloys to the worlds leading Marine engine builders.

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