双そう発はつ

noun, noun which may take the genitive case particle 'no'

twin-engine; two-motored

Used for aircraft, vehicles, or machinery with two engines. Often appears as a noun modifier (双発の).

• 双そう発はつの飛ひ行こう機きは片かた方ほうのエンジンが止とまっても飛とび続つづけられる。

  A twin-engine airplane can keep flying even if one engine stops.

• この双そう発はつ機きは燃ねん費ぴが良よい。

  This twin-engine aircraft has good fuel efficiency.