首页 >  Term: rock drift
rock drift

A horizontal mine passage cut in rock, esp. along a vein on a principal level of a mine. See: crosscut; stope.

0 0

创建者

  • ed.young
  • (Milwaukee, United States)

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