shortwall

/shawrt-wawl/US // ˈʃɔrtˌwɔl //

短墙,矮墙,短壁,墙体短小

Definitions

adj.形容词 adjective

1
Mining.
- : 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.