| 单词 | mica valve |
| 释义 | > as lemmasmica valve mica valve n. an air valve consisting of a flap of mica hinged at the top, used esp. in ventilator ducts and shafts. 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 1880 S. S. Hellyer Plumber (ed. 2) xxii. 262 When no convenient place can be found for leaving the mouth of the induct-pipe open to the atmosphere, a mica-valve can be fixed over it. 1909 G. B. Shaw in Trans. Medico-Legal Soc. 6 217 One day on the Health Committee a question came up with regard to a mica valve not being in order. < as lemmas |
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