Home > Term: rack back
rack back
To move a drilling machine away from the borehole collar by sliding it on its base, using the rack-and-gear pinion to facilitate moving the machine.
- ส่วนหนึ่งของคำพูด: verb
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
ผู้สร้าง
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
