The spars taper down in depth toward the wingtip and are spliced at front spar station 1446. vertical stiffeners, attached to both faces of the spar web, provide means of attaching the wing inspar and leading edge ribs.
与飞机结构有关 有可能是缩写。
inspan把牲口套上车,
对不住!我错把您当做打了错字的小朋友。懒得去查大辞典。并立即改正;
Weberster`s dic.unabridged (Encyclopedic edition ) p 1738:
Spar SPAR n from semper paratus (always prepared) L motto of the U S Coast Guard.
来自拉丁名言 时刻准备着。为美国海岸警备队的口号。
……
e)in avivation. a structural memer of an airplane wing, running the length of the wing and supporting the ribs.《航空工程》 机翼梁。飞机机翼的组件,(连接机身)贯穿机翼,用以支承机翼的那些肋条。
另外,在《牛津-杜登英汉图解词典》p 401 230 air raft ii 45 spar 翼梁也有图解。
我参考它 用3D MAX画个简图,请您指正。感谢您使我认识了这个生词SPAR!