英语词汇“rock drilling”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

rock drilling

rock drilling n. the action or process of drilling into rock; frequently attributive.

ΚΠ

1846 Cultivator 3 321/1 There were also a planing machine, a boot crimping machine, a rock-drilling machine, a card printing press, &c.

1877 R. W. Raymond Statistics Mines & Mining 366 The great improvements in mining machinery, in rock-drilling, in explosives.

1921 Engin. & Mining Jrnl. 27 Aug. 340/1 Modern rock-drilling appliances of the hammer type fall into three well-marked groups, namely, the drifter..; the plugger..; and the stoper.

1991 Highways & Transportation Sept. 11 It was decided to switch to rock drilling. Inevitably some problems occurred when steel was encountered.

extracted from rockn.¹

as lemmas

单词	rock drilling
释义	> as lemmas rock drilling rock drilling n. the action or process of drilling into rock; frequently attributive. ΚΠ 1846 Cultivator 3 321/1 There were also a planing machine, a boot crimping machine, a rock-drilling machine, a card printing press, &c. 1877 R. W. Raymond Statistics Mines & Mining 366 The great improvements in mining machinery, in rock-drilling, in explosives. 1921 Engin. & Mining Jrnl. 27 Aug. 340/1 Modern rock-drilling appliances of the hammer type fall into three well-marked groups, namely, the drifter..; the plugger..; and the stoper. 1991 Highways & Transportation Sept. 11 It was decided to switch to rock drilling. Inevitably some problems occurred when steel was encountered. extracted from rockn.¹ < as lemmas
随便看	sharpshooters sharpshooting sharpshootings sharpshot sharpsighted sharpsightedness sharpsnouted sharpspired sharpstaked sharpster sharptail sharptailed sharptailed grouse sharptasted sharptempered sharptextured sharpthorned sharptoed sharptongued sharptoothed sharptopped sharptuesday sharpvisaged shaft ladder shaft mouth