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nozzle divergence angle
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nozzle divergence angle
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nozzle divergence angle
扩张角
收敛-扩张喷管扩张段或扩张型喷管壁面与喷管中轴线的夹角。又称扩张半角。
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abstract analytic number theory
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更新时间:2026/6/16 20:25:30