| 单词 | air cock |
| 释义 | > as lemmasair cock air cock n. Engineering a stopcock for letting air out or in. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > control(s) > [noun] > valve > others washer1596 turncock1702 air cock1709 Jack-in-the-box1728 runner1754 stop-valve1829 three-way cock1838 ball valve1839 relief valve1846 poppet valve1851 plunger valve1854 pot-lid1856 reflux valve1857 screw-down1864 mica valve1880 tide flap1884 tube-valve1884 swing-tap1892 relay valve1894 Schrader1895 pilot valve1900 mixer valve1904 spool valve1908 spill valve1922 safety valving1930 three-way1939 1709 F. Hauksbee Physico-mech. Exper. 4 The Air-cock..which lets in the Air, is..a screw on the same fore-mention'd perforated Brass. 1806 W. Henry Epitome Chem. (ed. 4) i. v. 54 It will be found convenient also to have an air-cock. 1911 J. B. Rathbun Gas Engine Troubles & Installation viii. 329 It would be well to provide an air cock at the highest point in the line in order that all of the water can drain out as soon as the drain cock is opened. 1992 Pract. Householder Nov. 29/1 Never undo the air cock more than a turn or you risk losing the pin. < as lemmas |
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