According to the principal of fuel gas pulse ash removal technology, On-line control programme is designed in the hearth of burning coal boiler of power station using VB.

根据气脉冲吹灰的工作原理，编制电厂燃煤锅炉全炉膛燃气脉冲在线吹灰控制程序，通过使用VB语言来实现气脉冲吹灰系统自动控制。

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Clean-burning pure hydrogen may be the fuel of the future, but there are 200 million cars on U. S. roads using gasoline today, conveniently available at the corner station.

纯氢可能是未来燃料，但就目前而言，美国共有2亿辆汽车使用的是在路边加油站就能买到的汽油。

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