恒速驱动装置，将发动机齿轮箱的可变转速转变为恒速以驱动电源的液压机械式部件。

Constant speed drive, a hydro-mechanical component for changing variable engine gearbox speed to constant speed to drive the electrical power.

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可控震源的发动机通过分动箱驱动了五、六个以上的液压泵，因此，可控震源的液压系统较复杂。

The motor of Vibroseis drives over 5-6 hydraulic pumps by transfer case so that its hydraulic system is very complex.

youdao

可控震源的发动机通过分动箱驱动了五、六个以上的液压泵，因此，可控震源的液压系统较复杂。

The motor of Vibroseis drives over 5-6 hydraulic pumps by transfer case so that its hydraulic system is very complex.

youdao