area expansion ratio 面积扩大比; 喷嘴膨胀系数...
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nozzle area expansion ratio 喷管扩张比
area-expansion ratio 面积比
nozzle expansion area ratio 喷嘴扩散面积比
expansion area ratio 扩散段截面积比
·2,447,543篇论文数据，部分数据来源于NoteExpress
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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