| 单词 | plug cock |
| 释义 | > as lemmasplug cock plug cock n. (a) a tap with a pierced or perforated plug which allows liquid to flow through when turned on; cf. plug valve n.; †(b) a spigot which is driven into a barrel rather than screwed in (obsolete). ΘΚΠ society > occupation and work > equipment > other specific types of equipment > [noun] > tap > types of washer1596 plug1707 ballcock1734 bib cock1797 draw-off1826 plug cock1826 screw tap1842 waste-cock1844 ball tap1849 self-tapping1878 mixing valve1902 mixer tap1936 combination tap1951 mixer1973 1826 Glasgow Mechanics' Mag. 1 July 276/1 His [sc. Mr. Bramah's] new plug and sliding cocks, are..well worthy of being noticed. 1850 T. Ewbank Descriptive & Hist. Acct. Hydraul. & Other Machines 21 May 557 There is reason to believe that ancient modifications both of valve and plug cocks were quite as numerous as modern ones. 1992 C. Hardyment Home Comfort vi. 83 The plug cock at the base of the copper was then opened so that the hopped wort..could run into the shallow rectangular cooling tray. < as lemmas |
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