accumulator precharge pressure 蓄能器预充压力
precharge pressure setting 预充压力的调定
nitrogen precharge pressure 氮气预充压力
Key techniques of on-line concentrated sampling are analyzed and relations of accumulator precharge pressure and pressure-retaining results are studied.
分析了实现在线浓缩取样的关键技术，研究了蓄能器预充压力和采样筒保压效果的关系。
Depending on the fluid volume and precharge pressure of the accumulator, a limited amount of hydraulic energy is then available independent of any other power source.
根据储能器的流体体积和预充气压力，可获得某限定数量的液压能量而不依赖任何其它动力源。
Simulation research and practical experiments showed that: during pressure-retaining process, accumulator opening pressure is a little greater than precharge pressure;
计算研究和模拟试验表明，保压过程中蓄能器的开启压力略高于蓄能器充气压力；
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