합금원소

Alloying Element

합금철

Alloy Iron

합력

Resultant Force

합성보

Composite Beam

합판선

Laminated Wooden Ship

항공모함

Aeroplane Carrier, Aircraft Carrier

항공장애표시등

Airplane Warning Light

항공터빈

Aeroturbine

항공학

Aeronautics

항구

Port, Harbour, Harbor