Heading
01
제목, 표제
a line of text serving to indicate what the passage below it is about
02
갱도, 수평 통로
a horizontal (or nearly horizontal) passageway in a mine
03
방향, 진로
the direction or path along which something moves or along which it lies
제목, 표제
갱도, 수평 통로
방향, 진로