How to Say "하부 구조" in Spanish
The Spanish word for “하부 구조” is “tren” — B2 level.
Korean → SpanishB2
NounB2formal

Examples
El piloto se olvidó de bajar el tren de aterrizaje.
조종사는 착륙 장치를 내리는 것을 잊었습니다.
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