The automatic control of the coke oven vehicles, so called "interlocking system of three vehicles", is an important part of coke ovens safety production.

焦炉移动机车的自动控制即“三车联锁系统”是焦化企业安全生产的重要环节。

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Based on the comparison and analysis of worldwide application, we improved on the position detecting methods of wireless induction, and designed a new interlocking system of three vehicles.

本文在对国内外控制系统进行对比和分析的基础上，改进了无线感应位置检测技术，设计了新型三车联锁控制系统。

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Still,it is a welcomed vehicle in a country where many families of three or four people ride two-wheeled vehicles.

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"Over just the last three years, NHTSAs defect and compliance investigations have resulted in five hundred twenty-four recalls involving twenty-three million vehicles.

VOA: special.2010.02.26

As the monitors were leaving the area, an unknown source fired at three vehicles, she said.

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Figures obtained by BBC Radio Derby showed three vehicles have been sold at auction by the council since 2008-9.

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Smith, said he could not be sure Hamdan was the driver of one of the three vehicles carrying the missiles.

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