It is either engine driven, or powered by the harvestors themselves.

它要么是由发动机驱动的，要么是由收割者自己提供动力。

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An energy calculation model is established for the gas engine driven heat pump based on the experiment of components.

在对燃气机热泵部件进行实验的基础上，建立了燃气机热泵系统能耗计算模型。

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The gas engine driven heat pump (GHP) is driven by the gas engine using gas, and driven the compressors for refrigeration circle.

燃气热泵是利用燃气驱动燃气发动机，并带动压缩机进行制冷循环的空调装置。

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The first works to be digitised will range from feminist pamphlets about Queen Marie-Antoinette (1791), to the invention of the first combustion engine-driven submarine (1858), and an account of a stuffed Hippopotamus owned by the Prince of Orange (1775).

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But the heat-driven Stirling engine design opens up possibilities for alternative fuels.

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It has a 616hp V8 twin turbo engine that works rear-driven wheels and a 7-speed dual-clutch transmission.

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