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to phrases
area expansion ratio
space
喷管扩张比
;
膨胀面积比
(喷管出口截面面积与喉部截面面积之比)
;
面积膨胀比
;
喷嘴膨胀系数
area expansion ratio
:
4 phrases
in 2 subjects
Aviation
1
Space
3
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