两个发动机驱动的电控液压泵（排量可变），四个大型和四个小型的液压控制马达（排量可变）。
The systems comprise two engine-driven, electrically controlled, variable displacement hydraulic pumps and four large and four small hydraulically controlled, variable displacement hydraulic motors.
两个发动机驱动的电控液压泵（排量可变），四个大型和四个小型的液压控制马达（排量可变）。
The systems comprise two engine-driven, electrically controlled, variable displacement hydraulic pumps and four large and four small hydraulically controlled, variable displacement hydraulic motors.
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