Heading
01
見出し, タイトル
a line of text serving to indicate what the passage below it is about
02
坑道, 水平通路
a horizontal (or nearly horizontal) passageway in a mine
03
方向, 進路
the direction or path along which something moves or along which it lies
見出し, タイトル
坑道, 水平通路
方向, 進路
