velocity compound stage复速级
velocity compounded stage复速级
velocity-stage速度级
velocity-stage impulse turbine速度级冲动式汽轮机
combined pressure and velocity-stage turbine压力速度级混合式汽轮机
two-row velocity-stage双列速度级;复速级
single velocity stage单速级;单速度级
multi velocity stage多速级
multi-velocity stage多速级