首页 >  Term: main break
main break

In mine subsidence, the break that occurs over the seam at an angle from the vertical equal to half the dip.

0 0

创建者

  • ed.young
  • (Milwaukee, United States)

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