液压动力驱动系统
hydraulic pressure motive force drive systems
降低动力消耗
Reduction of power consumption
流量-压力-压降特性
flux-pressure and pressure drop
下食管括约肌压力降低
lower esophageal sphincter pressure
压力降低的报警蜂鸣器
pressure drop warning buzzer
压力降低速率
pressure lowering velocity
钻孔瓦斯压力降低法
method of decreasing gas pressure in drilling hole
备用低压压力
low pressure standby pressure