| 单词 | pneumatic drill |
| 释义 | > as lemmaspneumatic drill pneumatic drill n. a heavy drill for breaking up a road surface, etc., by the rapidly repeated blows of a bit driven by compressed air. ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > drill > power drills > percussion drills pneumatic drill1861 percussion drill1871 road drill1907 hammer drill1908 piston drill1910 jackhammer1912 1861 Sci. Amer. 10 Aug. 86/1 Mr. Haupt..speaks of having ‘commenced to build the long-talked-of pneumatic drills and ventilating apparatus’. a1877 E. H. Knight Pract. Dict. Mech. II. 1753/1 By the pneumatic drill, the Mt. Cenis Tunnel, seven miles in length, was bored through the Alps. 1930 Daily Express 9 Sept. 8/7 The noise of pneumatic drills has..been found to annoy the patients in a London Hospital. 1992 Pract. Fishkeeping (BNC) Apr. 108 My garage is to be demolished very soon and I am worried that the pneumatic drill which may be used to break up the concrete base will upset or even kill my fish. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。