홈 > Term: difference in gage of drill bits
difference in gage of drill bits
The difference in diameter of the bits when passing from one length (change) of drill steel to the next longer one of a set.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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