二维零压气体动力学系统
two-dimensional zero-pressure gas dynamics
零垂向压力降
zero vertical pressure drop
零度压力角
zero degreed pressure angle
无零位刻度压力计
suppressed zero pressure gauge
先导压力调整零件
pilot pressure adjustment section
压力润滑的发动机零部件
pressure lubricated engine component
零压零流软开关
zero-voltage zero-current soft-switching