The hydraulic circuit of the hydraulic motor of a drive fan is provided with a reverse valve.

驱动风扇的液压马达液压油路上装有反转阀。

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On the way out, these gases drive a turbine which is connected to the fan via a shaft, thus drawing in more air and keeping the process going.

在喷管前有一组涡轮，涡轮与风扇连接在一根轴上。涡轮带动风扇又吸入了更多的空气，这样就产生了连续的循环。

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It generates a lot of heat which is extracted by a fan that blows out the end of the unit closer to the Blu-Ray drive, as well as out the back.

它会产生大量的热量，这些热量由一个风扇排出，它将风从靠近Blu - Ray驱动器的单元的后端吹出，并吹出设备后部。

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The addition of the Fan Drive Gear System added only seven moving parts, but the 18-inch-diameter gearbox had to be engineered to withstand thousands of high-stress takeoffs and landings without maintenance.

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