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The new hydraulic system has the following characteristics:(1)saving energy;
新液压系统具有下列特点：（1）节省能源；
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Variable speed hydraulic drive system is a new type energy saving system.
变转速液压驱动系统是一种新型的节能传动系统。
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Variable speed hydraulic drive system is a new type energy saving system.
变转速液压驱动系统是一种新型的节能传动系统。
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