5、提高产品质量。带来安全方便的操作。关键词:沼气提纯压力水洗法控制系统Gas pressure control system for water purificationAbstractWitheconomicdevelopment,theworldhasenteredtheeraofenergycrisis.Coal,oil,naturalgasandothertraditionalfossilfuelconsumptioncontinuestoincrease,whichonlyexacerbatedthedepleti