英语词汇“reef drive”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

reef drive

reef drive n. Mining a horizontal tunnel excavated alongside or through gold-bearing rock.

ΚΠ

1869 R. B. Smyth Gold Fields Victoria Gloss. 619 Reef-drive—A drive cut or constructed entirely through the bed rock,..or along the face of the reef, or partly in the reef.

1938 Times 29 July 25/2 The Fourth Level Main Reef Drive North from No.1 Shaft was advanced 405ft.

2001 N. Singh & A. J. McDonald in W. A. Hustrulid & R. L. Bullock Underground Mining Methods xviii. 182 A raise is developed conventionally in the centre of the ore body from which reef drives (strike gullies) are spaced 30m apart.

extracted from reefn.²

as lemmas

单词	reef drive
释义	> as lemmas reef drive reef drive n. Mining a horizontal tunnel excavated alongside or through gold-bearing rock. ΚΠ 1869 R. B. Smyth Gold Fields Victoria Gloss. 619 Reef-drive—A drive cut or constructed entirely through the bed rock,..or along the face of the reef, or partly in the reef. 1938 Times 29 July 25/2 The Fourth Level Main Reef Drive North from No.1 Shaft was advanced 405ft. 2001 N. Singh & A. J. McDonald in W. A. Hustrulid & R. L. Bullock Underground Mining Methods xviii. 182 A raise is developed conventionally in the centre of the ore body from which reef drives (strike gullies) are spaced 30m apart. extracted from reefn.² < as lemmas
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