longeron

n. main structure running from one end to the other of aircraft fuselage

In aircraft construction, a Longeron is a thin strip of wood or metal, to which the skin of the aircraft is fastened. Longerons are attached to formers (also called frames), in the case of the fuselage, or ribs in the case of a wing, or empennage. In very early aircraft, a fabric covering was sewn to the longerons, and then stretched tight by painting it with dope, which would make the fabric shrink, and become stiff.
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n. girder, spar

n. longeron

longeron /'lɔndʤərən/
danh từ thân (máy bay)
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