... ventilated wind tunnel 通气式风洞 ventral fins 后机身下翼 ventral intake 机身下进气口 ...
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飞机有一对双三角翼面，内翼面后掠角比外翼面大，二个稳定翼位于后机身下。
The aircraft has a pair of two-section wings, with sweep angle of the inner section larger than the outer section; and two stabilising fins located under the rear fuselage.
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