pure impulse stage 纯冲动级
compounded impulse stage 复速冲动级
velocity-compounded impulse stage 复速级
high-impulse stage 高冲量级
velocity compounded impulse stage 复速级
stage impulse turbine 单级冲动式汽轮机
multi-stage impulse generator 多级脉冲发生器
pressure-stage impulse turbine 压力级冲动式汽轮机
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