两年前，阿蒂米斯(Artemis)智能电源在一辆宝马530 i型车里装了一个液压混合动力系统，而且发现将城市燃油消耗削减了一半。
Artemis Intelligent Power installed a hydraulic hybrid system in a BMW 530i two years ago and found it cut urban fuel consumption in half.
当然，在液压控制系统中的各种电磁阀等也是需要电源的。
Of course, in the hydraulic control system of the various electromagnetic valve, and so is the need for power.
直流电动机工作电源装置的液压系统中的工程机械，主要是配合液压泵。
DC motors work as power device of the hydraulic system in the project machinery, mainly matched with hydraulic pump.
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