... area-balance ratio 平衡面积比 area-expansion ratio 面积比 area-moment ratio 相对静面积矩 ...
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area expansion ratio 喷嘴膨胀系数
nozzle area expansion ratio 喷管扩张比
nozzle expansion area ratio 喷嘴扩散面积比
expansion area ratio 扩散段截面积比
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This expansion ratio also allows atmospheres of oxygen-enriched air to form in the area surrounding a release.
该膨胀率还导致排气口附近区域形成富氧气氛。
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