英语词汇“rotary drill”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

rotary drill

rotary drill n. a drill with which the hole is bored using a rapidly rotating bit; cf. percussion drill n. at percussion n. Compounds 2.Rotary drills are the most common type of drill.

ΚΠ

1846 London Jrnl. Arts, Sci., & Manuf. 27 170 The traversing as well as the up and down movements of the rotary drill.

1901 C. Prelini & C. S. Hill Tunneling 22 The advantages claimed for rotary drills in comparison with percussion drills.

1931 Pop. Sci. Monthly June 20/2 Diesel engines and electric motors whirl rotary drills with incredible ease and smoothness.

2003 News Tribune (Tacoma, Washington) (Nexis) 21 June e1 To attract birds, Taylor used a rotary drill to cut dimples in stones. Rain fills the holes and brings in the birds.

extracted from rotaryadj.n.

as lemmas

单词	rotary drill
释义	> as lemmas rotary drill rotary drill n. a drill with which the hole is bored using a rapidly rotating bit; cf. percussion drill n. at percussion n. Compounds 2.Rotary drills are the most common type of drill. ΚΠ 1846 London Jrnl. Arts, Sci., & Manuf. 27 170 The traversing as well as the up and down movements of the rotary drill. 1901 C. Prelini & C. S. Hill Tunneling 22 The advantages claimed for rotary drills in comparison with percussion drills. 1931 Pop. Sci. Monthly June 20/2 Diesel engines and electric motors whirl rotary drills with incredible ease and smoothness. 2003 News Tribune (Tacoma, Washington) (Nexis) 21 June e1 To attract birds, Taylor used a rotary drill to cut dimples in stones. Rain fills the holes and brings in the birds. extracted from rotaryadj.n. < as lemmas
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