试验证明，这些措施的采用，不仅提高了液压系统效率，而且使挖掘机的操纵性得到明显提高。
It has been proved in experiments that these methods not only improve the efficiency of the hydraulic system, but also the controllability of excavator.
两者与电子控制技术结合起来，则使液压挖掘机在按需供油、节能降耗以及改善操纵性能等方面具有显著效果。
The load sense and pressure compensation technology together with computer control technology has more advantages of energy saving and controllability.
两者与电子控制技术结合起来，则使液压挖掘机在按需供油、节能降耗以及改善操纵性能等方面具有显著效果。
The load sense and pressure compensation technology together with computer control technology has more advantages of energy saving and controllability.
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