Heading
01
标题, 题头
a line of text serving to indicate what the passage below it is about
02
平巷, 水平巷道
a horizontal (or nearly horizontal) passageway in a mine
03
方向, 航向
the direction or path along which something moves or along which it lies
标题, 题头
平巷, 水平巷道
方向, 航向
