shortwall / ˈʃɔrtˌwɔl /

⚽高中词汇短墙矮墙短壁墙体短小

shortwall 的定义

adj. 形容词 adjective

Mining.

  1. pertaining to a means of extracting coal when the working face is about a third the length of the longwall system and mining is done by a continuous cutter rather than by longwall machinery.