double spar wingdouble-longeron wingdouble-spar windwing; double spar双: two; twin; both; dual梁: beam机翼: wings of an aeroplane side; ...双梁: double girder; dual girder; twin beams横梁机: beam engine下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:双梁机翼，即可在微信中查询翻译
