首页 >  Term: long awn
long awn

A direction of less than 45 degrees to the main natural line of cleat or cleavage in the coal. Also spelled horn. Compare: short awn.

0 0

创建者

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
  • 100% positive feedback
© 2024 CSOFT International, Ltd.