pressure maintenance

• 压力保持

pressure maintenance的用法和样例：

例句

1. These tanks maintain system pressure below the relief setting of the relief valve.
   这种膨胀罐将系统压力保持在安全阀设置的排放压力以下。
2. Thus, delivery pressure remains constant even as cylinder pressure decays, eliminating the need for frequent control knob adjustment.
   因此，即使钢瓶压力下降，调整器的输出压力保持恒定，从而不需要经常调整控制钮。