泵-蓄势器传动的液压机，由于采用了蓄势器，故只用流量较小的高压泵。
Accumulator is used in hydraulic press driven by pump-accumulator. The high pressure pump with small flow can put working liquid into the accumulator in the intermittent working time of press.
蓄势器内的高压液体(具有势能)进入工作缸是在瞬时之间进行的，具有势能转变为动能作功的特点。
The high pressure liquid in the accumulator (with potential energy) enters the working cylinder in a flash and the potential energy converts to kinetic energy.
采用先进的双丝窄间隙埋弧焊设备和专用焊接工艺，成功地焊接了大厚壁高压蓄势器，质量检查全部合格。
An advanced double wires narrow gap SAW technique, equipment and special procedure have been used to weld high pressure storage tanks successfully with high quality welding joints.
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