采用全比例式油路系统，低噪音并具有自动调整压力大小比例之功能，精确稳定。
A full-scale lil system is adopted. The noise is Iow and the pressure is adjusted automatically and proportionally. It is very accurate and stable.
液压振动系统的主要特点是在桩机液压系统中的压桩油路产生流体压力变化和波动，从而使沉桩力出现高频的周期变化，产生振动压桩的效果。
The main character of the HVS is that, by means of fluctuating oil pressure, the pile-driving force can be changed in a higher frequency, and therefore better vibrating effect can be gained.
该产品除保证进口样机的性能外，还加大了油路通道，使压力损失减小，降低了能耗、减小系统的发热。
In addition to the features of imported equipment, it has included such advantages as enlarging oil passageway, reduction in pressure loss, energy consumption and system heating.
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