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喷管扩张比
space area expansion ratio; nozzle divergence ratio; nozzle expansion ratio (喷管出口面积和喉道面积之比)
喷管面积扩张比
space nozzle area expansion ratio (喷管出口面积与喉部横截面积之比)
喷管扩张比: 1 phrase in 1 subject
Aviation1

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